Superalgebra of Dirac-type operators of the Euclidean Taub-NUT space von Cotăescu, I.I., Visinescu, M.

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The operator algebra of the quantum relativistic oscillator von Cotăescu, Ion I., Drăgănescu, Gheorghe

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Superalgebras of Dirac operators on manifolds with special Killing-Yano tensors von Cotăescu, I.I., Visinescu, M.

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Probabilistic interpretation of the dipole ghost models von Cotǎescu, Ion I.

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Comment on the mass and uniqueness conditions for homogeneous invariant equations von Cotăescu, Ion I.

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