%0 Journal Article %A D. V. Valovik %A S. V. Tikhov %T Existence of solutions of a~nonlinear eigenvalue problem and their properties %J Sbornik. Mathematics %D 2024 %P 52-73 %V 215 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/SM_2024_215_1_a2/ %G en %F SM_2024_215_1_a2