TY  - JOUR
AU  - V. S. Rykhlov
TI  - On properties of the eigenfunctions of a~quadratic pencil of the second order differential operators
JO  - Izvestiya of Saratov University. Mathematics. Mechanics. Informatics
PY  - 2009
SP  - 31
EP  - 44
VL  - 9
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/ISU_2009_9_1_a4/
LA  - ru
ID  - ISU_2009_9_1_a4
ER  -