TY  - JOUR
AU  - A. N. Erugin
TI  - A comparison of the solutions of two differential equations
JO  - Differencialʹnye uravneniâ
PY  - 1970
SP  - 687
VL  - 6
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1970_6_4_a10/
LA  - ru
ID  - DE_1970_6_4_a10
ER  -