%0 Journal Article %A P. E. Zhidkov %T Riesz basis property of the~system of eigenfunctions for a~non-linear problem of Sturm--Liouville type %J Sbornik. Mathematics %D 2000 %P 359-368 %V 191 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/SM_2000_191_3_a3/ %G en %F SM_2000_191_3_a3