TY  - JOUR
AU  - P. E. Zhidkov
TI  - On the existence of a~countable set of solutions in a problem of polaron theory
JO  - Sbornik. Mathematics
PY  - 1993
SP  - 247
EP  - 255
VL  - 75
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/SM_1993_75_1_a13/
LA  - en
ID  - SM_1993_75_1_a13
ER  -