TY - JOUR AU - B.-W. Schulze TI - Over- and under-determined elliptic boundary value problems JO - Differencialʹnye uravneniâ PY - 1979 SP - 321 EP - 326 VL - 15 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1979_15_2_a14/ LA - ru ID - DE_1979_15_2_a14 ER -