TY  - JOUR
AU  - A. L. Teptin
TI  - Nonoscillation of solutions and the sign of the Green function
JO  - Differencialʹnye uravneniâ
PY  - 1984
SP  - 995
EP  - 1005
VL  - 20
IS  - 6
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1984_20_6_a8/
LA  - ru
ID  - DE_1984_20_6_a8
ER  -