TY - JOUR AU - O. N. Mikhailov AU - R. A. Sharipov TI - The geometry of point extensions of a class of second-order differential equations JO - Differencialʹnye uravneniâ PY - 2000 SP - 1331 EP - 1335 VL - 36 IS - 10 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_2000_36_10_a5/ LA - ru ID - DE_2000_36_10_a5 ER -