Citation: Ap. Makhmudov et Mm. Rasulov, NECESSARY CONDITIONS OF THE EXISTENCE OF THE SOLUTION OF SOME NONLINEAR EIGENVALUE PROBLEMS, Doklady Akademii nauk. Rossijskaa akademia nauk, 345(1), 1995, pp. 19-21
Citation: Ap. Makhmudov et Mm. Rasulov, ON THE PERTURBATION OF THE ISOLATED EIGEN VALUE OF FINITE MULTIPLICITY OF THE SPECTRAL PROBLEM FOR THE PAIR OF SELF-ADJOINED OPERATORS, Doklady Akademii nauk. Rossijskaa akademia nauk, 335(6), 1994, pp. 694-696