%0 Journal Article %A P. E. Zhidkov %T On the eigenvalue problem for the Sturm--Liouville operator with a potential that depends on the spectral parameter %J Differencialʹnye uravneniâ %D 1997 %P 39-47 %V 33 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1997_33_1_a6/ %G ru %F DE_1997_33_1_a6