Fast and accurate evaluation of geomagnetic field elements at arbitrary points in space von Ivanov, Kamen G, Petrushev, Pencho

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Nonlinear Wavelet Approximation in BMO von Ivanov, Kamen G., Petrushev, Pencho

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Nonlinear n-term approximation of harmonic functions from shifts of the Newtonian kernel von Ivanov, Kamen G., Petrushev, Pencho

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Highly effective stable evaluation of bandlimited functions on the sphere von Ivanov, Kamen G., Petrushev, Pencho P.

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A generalized modulus of smoothness von DRAGANOV, BORISLAV R., IVANOV, KAMEN G.

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A new characterization of weighted Peetre K-functionals von DRAGANOV, Borislav R, IVANOV, Kamen G

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Precise and efficient evaluation of gravimetric quantities at arbitrarily scattered points in space von Ivanov, Kamen G., Pavlis, Nikolaos K., Petrushev, Pencho

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Weighted approximation by Baskakov-type operators von Ivanov, Kamen G., Parvanov, Parvan E.

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A characterization of weighted approximations by the Post–Widder and the Gamma operators, II von Draganov, Borislav R., Ivanov, Kamen G.

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Nonlinear spline approximation in $\operatorname{BMO}(\mathbb R) von Ivanov, Kamen G, Petrushev, Pencho

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A characterization of weighted approximations by the Post-Widder and the Gamma operators von Draganov, Borislav R., Ivanov, Kamen G.

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On Convex Approximation by Quadratic Splines von Ivanov, Kamen G., Popov, Boyan

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Nonlinear spline approximation in \(\operatorname{BMO}(\mathbb R)\) von Ivanov, Kamen G, Petrushev, Pencho

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Convex Approximation by Quadratic Splines von Hu, Y.K.

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Some properties of the circular waveguide with azimuthally magnetized ferrite von IVANOV, K. P, GEORGIEV, G. N

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On a Class of Electromagnetic Wave Functions for Propagation Along the Circular Gyrotropic Waveguide von Ivanov, K.P., Georgiev, G.N.

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New estimates of errors of quadrature formulae, formulae of numerical differentiation and interpolation von Ivanov, Kamen G.

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Petrochemistry of Kamen volcano: A comparison with neighboring volcanoes of the Klyuchevskoy group von Churikova, T. G., Gordeichik, B. N., Ivanov, B. V.

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Approximation of Functions of Two Variables by Algebraic Polynomials, I von Ivanov, Kamen G.

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Relationship between Kamen Volcano and the Klyuchevskaya group of volcanoes (Kamchatka): Magma System Response to Edifice Collapse von CHURIKOVA, Tatiana G, GORDEYCHIK, Boris N, IVANOV, Boris V, WÖRNER, Gerhard

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