TY  - JOUR
AU  - S. M. Labovski
TI  - A condition for the nonvanishing of the Wronskian of a fundamental system of solutions of a linear differential equation with retarded argument
JO  - Differencialʹnye uravneniâ
PY  - 1974
SP  - 426
EP  - 430
VL  - 10
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1974_10_3_a3/
LA  - ru
ID  - DE_1974_10_3_a3
ER  -