TY - JOUR AU - G. V. Nesterenko TI - The use of pseudosymmetries for constructing exact solutions of differential equations JO - Differencialʹnye uravneniâ PY - 1990 SP - 1173 EP - 1178 VL - 26 IS - 7 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1990_26_7_a8/ LA - ru ID - DE_1990_26_7_a8 ER -