TY  - JOUR
AU  - V. S. Klimov
TI  - Lower bounds for the number of solutions of some boundary value problems
JO  - Differencialʹnye uravneniâ
PY  - 1984
SP  - 481
EP  - 489
VL  - 20
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1984_20_3_a14/
LA  - ru
ID  - DE_1984_20_3_a14
ER  -