TY  - JOUR
AU  - P. E. Zhidkov
TI  - Completeness of systems of eigenfunctions for the~Sturm--Liouville operator with potential depending on the~spectral parameter and for one non-linear problem
JO  - Sbornik. Mathematics
PY  - 1997
SP  - 1071
EP  - 1084
VL  - 188
IS  - 7
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/SM_1997_188_7_a5/
LA  - en
ID  - SM_1997_188_7_a5
ER  -