TY  - JOUR
AU  - N. P. Erugin
AU  - M. M. Smirnov
TI  - Functionally invariant solutions of differential equations
JO  - Differencialʹnye uravneniâ
PY  - 1981
SP  - 853
EP  - 865
VL  - 17
IS  - 5
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1981_17_5_a9/
LA  - ru
ID  - DE_1981_17_5_a9
ER  -