On the theory of quadratic pencils of self-adjoint operators
Doklady Akademii Nauk, Tome 154 (1964) no. 6, pp. 1258-1261
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@article{DAN_1964_154_6_a3,
author = {M. G. Krein and G. K. Langer},
title = {On the theory of quadratic pencils of self-adjoint operators},
journal = {Doklady Akademii Nauk},
pages = {1258--1261},
year = {1964},
volume = {154},
number = {6},
language = {ru},
url = {http://geodesic.mathdoc.fr/item/DAN_1964_154_6_a3/}
}
M. G. Krein; G. K. Langer. On the theory of quadratic pencils of self-adjoint operators. Doklady Akademii Nauk, Tome 154 (1964) no. 6, pp. 1258-1261. http://geodesic.mathdoc.fr/item/DAN_1964_154_6_a3/