TY - JOUR AU - Kh. G. Guseinov AU - V. N. Ushakov TI - On infinitesimal constructions in the theory of generalized dynamical systems.~I JO - Differencialʹnye uravneniâ PY - 1998 SP - 157 EP - 165 VL - 34 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1998_34_2_a2/ LA - ru ID - DE_1998_34_2_a2 ER -