TY  - JOUR
AU  - N. V. Stepanov
TI  - On geometry of a class of equations $y'''=f(x,y,y',y'')$
JO  - Trudy Matematicheskogo Instituta imeni V.A. Steklova
PY  - 1966
VL  - 21
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/RM_1966_21_3_a14/
LA  - ru
ID  - RM_1966_21_3_a14
ER  -