TY  - JOUR
AU  - V. V. Nikonenko
TI  - Certain properties of the $O$-curves of first order equations with factored right-hand side
JO  - Differencialʹnye uravneniâ
PY  - 1973
SP  - 1810
EP  - 1816
VL  - 9
IS  - 10
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1973_9_10_a7/
LA  - ru
ID  - DE_1973_9_10_a7
ER  -