TY  - JOUR
AU  - V. S. Klimov
TI  - Non-zero solutions of boundary value problems
JO  - Differencialʹnye uravneniâ
PY  - 1971
SP  - 807
EP  - 813
VL  - 7
IS  - 5
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1971_7_5_a4/
LA  - ru
ID  - DE_1971_7_5_a4
ER  -