TY - JOUR AU - A. H. Gudiev TI - Nonlinear integrals of potential type and their properties JO - Differencialʹnye uravneniâ PY - 1966 SP - 172 EP - 193 VL - 2 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1966_2_2_a2/ LA - ru ID - DE_1966_2_2_a2 ER -