TY - JOUR AU - P. N. Vabishchevich AU - L. M. Degtyarev TI - A method of solution of the free-boundary problem for elliptic equations and systems JO - Doklady Akademii Nauk PY - 1979 SP - 1342 EP - 1346 VL - 247 IS - 6 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1979_247_6_a14/ LA - ru ID - DAN_1979_247_6_a14 ER -