TY - JOUR AU - A. I. Orlov TI - The construction of a force function from a given family of trajectories JO - Differencialʹnye uravneniâ PY - 1983 SP - 1804 EP - 1807 VL - 19 IS - 10 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1983_19_10_a22/ LA - ru ID - DE_1983_19_10_a22 ER -