TY  - JOUR
AU  - A. I. Domoshnitskii
TI  - Extension of the Sturm theorem to equations with retarded argument
JO  - Differencialʹnye uravneniâ
PY  - 1983
SP  - 1475
EP  - 1482
VL  - 19
IS  - 9
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1983_19_9_a0/
LA  - ru
ID  - DE_1983_19_9_a0
ER  -