Self-action of light beams in nonlinear media: soliton solutions von Pushkarov, Kh. I., Pushkarov, D. I., Tomov, I. V.

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The Solitary Ionization Waves in the Gas Discharge Positive Column von Christov, N. N, Pushkarov, Kh I

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Solitary Clusters of Spin Deviations and Lattice Deformation in an Anharmonic Ferromagnetic Chain von Pushkarov, Kh. I., Primatarowa, M. T.

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Solitons in One-Dimensional Ferromagnetic Systems von Pushkarov, D. I., Pushkarov, Kh. I.

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Solitary bound states of magnons and lattice deformation in the Dyson-Maleev representation von Pushkarov, Kh. I.

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Delocalisation and diffusion of defects in quantum crystals at T = 0 von Pushkarov, D. I., Pushkarov, Kh. I.

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Solitary Bound State of Magnons and Lattice Deformation in an Anharmonic One-Dimensional Ferromagnet von Pushkarov, Kh. I., Pushkarov, D. I.

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Vortex Lines in Ferromagnets von Pushkarov, Kh. I., Pushkarov, D. I.

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Quasi-classical description of the Heisenberg ferromagnet: Soliton solutions von Pushkarov, D. I., Pushkarov, Kh. I.

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Solitary Excitations in One-Dimensional Ferromagnets with Biquadratic Exchange von Pushkarov, Kh. I., Pushkarov, D. I., Vlahov, J. P.

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Defecton Diffusion in the Very Quantum Region von Pushkarov, D. I., Pushkarov, Kh. I.

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Solitary bound states of magnons and lattice deformation in ferromagnets with biquadratic exchange von Pushkarov, Kh. I., Pushkarov, D. I., Vlahov, J. P.

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Nonlinear phenomena in plasmas due to the ponderomotive forces - Soliton solutions von Pushkarov, Kh I

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Electron-phonon interaction Soliton solutions von Pushkarov, Kh. I., Pushkarov, D. I.

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Solitary magnons in one-dimensional ferromagnetic chain von Pushkarov, D.I., Pushkarov, Kh.I.

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Soliton solutions in some non-linear Schrödinger-like equations von Pushkarov, Kh.I., Pushkarov, D.I.

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Influence of the Fertilization and Soil Tillage on some Economic indicators in Growing of Wheat on Vertisols von Vidinova, E., N. Pushkarov Institute of Soil Science, Sofia (Bulgaria), Toncheva, R., N. Pushkarov Institute of Soil Science, Sofia (Bulgaria), Pchelarova,Kh., N. Pushkarov Institute of Soil Science, Sofia (Bulgaria)

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Practices for Limiting Water and Wind Erosion of Soil in the Zone of the Bulgarian Chernozems von Malinov, I., N. Pushkarov Institute of Soil Science, Sofia (Bulgaria), Nekova, D., N. Pushkarov Institute of Soil Science, Sofia (Bulgaria), Dimitrov, P., N. Pushkarov Institute of Soil Science, Sofia (Bulgaria), Krumov, V., N. Pushkarov Institute of Soil Science, Sofia (Bulgaria), Ruseva, S., N. Pushkarov Institute of Soil Science, Sofia (Bulgaria), Dzhodzhov, Kh., N. Pushkarov Institute of Soil Science, Sofia (Bulgaria), Ilieva, D., N. Pushkarov Institute of Soil Science, Sofia (Bulgaria), Mitova, M., N. Pushkarov Institute of Soil Science, Sofia (Bulgaria)

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Solitary defectons in one-dimensional quantum crystals von Pushkarov, D I, Pushkarov, Kh

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Solitary excitations in molecular chains in the presence of vibronic states von Pushkaeov, Kh. I., Peimatabova, M. T.

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