TY - JOUR AU - E. N. Provotorova TI - Vector boundary value problems generated by a scalar differential operator JO - Differencialʹnye uravneniâ PY - 1987 SP - 1711 EP - 1715 VL - 23 IS - 10 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1987_23_10_a6/ LA - ru ID - DE_1987_23_10_a6 ER -