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@article{FAA_1989_23_1_a16, author = {V. N. Pyvovarchyk}, title = {Eigenvalues of a certain quadratic pencil of operators}, journal = {Funkcionalʹnyj analiz i ego prilo\v{z}eni\^a}, pages = {80--81}, publisher = {mathdoc}, volume = {23}, number = {1}, year = {1989}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/FAA_1989_23_1_a16/} }
V. N. Pyvovarchyk. Eigenvalues of a certain quadratic pencil of operators. Funkcionalʹnyj analiz i ego priloženiâ, Tome 23 (1989) no. 1, pp. 80-81. http://geodesic.mathdoc.fr/item/FAA_1989_23_1_a16/