TY - JOUR AU - A. A. Kosmodem'yanskii (Jr.) TI - On a~problem with an unknown boundary for elliptic equations JO - Trudy Matematicheskogo Instituta imeni V.A. Steklova PY - 1985 SP - 237 EP - 238 VL - 40 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/RM_1985_40_3_a14/ LA - en ID - RM_1985_40_3_a14 ER -