Geodesic
Eigenvalues of a certain quadratic pencil of operators
Funkcionalʹnyj analiz i ego priloženiâ, Tome 23 (1989) no. 1, pp. 80-81.

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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/

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