TY - JOUR AU - V. S. Vinogradov TI - A boundary value problem for pseudosymmetric systems JO - Differencialʹnye uravneniâ PY - 1985 SP - 161 EP - 163 VL - 21 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1985_21_1_a22/ LA - ru ID - DE_1985_21_1_a22 ER -