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@article{DAN_1963_150_6_a3, author = {M. G. Gasymov}, title = {On the sum of the differences of the eigenvalues of two self-adjoint operators}, journal = {Doklady Akademii Nauk}, pages = {1202--1205}, publisher = {mathdoc}, volume = {150}, number = {6}, year = {1963}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1963_150_6_a3/} }
M. G. Gasymov. On the sum of the differences of the eigenvalues of two self-adjoint operators. Doklady Akademii Nauk, Tome 150 (1963) no. 6, pp. 1202-1205. http://geodesic.mathdoc.fr/item/DAN_1963_150_6_a3/