TY - JOUR AU - V. P. Skripnik TI - Certain systems with transformed argument in the case when the transformations of the argument depend on the time and on the solution JO - Differencialʹnye uravneniâ PY - 1968 SP - 225 EP - 232 VL - 4 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1968_4_2_a2/ LA - ru ID - DE_1968_4_2_a2 ER -