TY - JOUR AU - K. Ya. Kondrat'ev AU - L. S. Ivlev AU - I. Galindo TI - An application of the notion of the enhanced factor for studying JO - Doklady Akademii Nauk PY - 1995 SP - 111 EP - 113 VL - 345 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1995_345_1_a12/ LA - ru ID - DAN_1995_345_1_a12 ER -