TY  - JOUR
AU  - G. G. Islamov
AU  - I. Ya. Shneiberg
TI  - Existence of nonnegative solutions of linear differential equations
JO  - Differencialʹnye uravneniâ
PY  - 1980
SP  - 387
EP  - 394
VL  - 16
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1980_16_3_a0/
LA  - ru
ID  - DE_1980_16_3_a0
ER  -