TY - JOUR AU - V. V. Goldberg TI - A family of axial planes of a two-dimensional surface in a four-dimensional projective space JO - Doklady Akademii Nauk PY - 1960 SP - 16 EP - 19 VL - 133 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1960_133_1_a2/ LA - ru ID - DAN_1960_133_1_a2 ER -