TY - JOUR AU - R. G. Tlupova TI - Holomorphic surfaces and $CR$-surfaces of a $G$-elliptic 6-space JO - Trudy Geometricheskogo Seminara PY - 1988 SP - 89 EP - 94 VL - 18 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/KUTGS_1988_18_a8/ LA - ru ID - KUTGS_1988_18_a8 ER -