TY - JOUR AU - P. I. Shveikin TI - Invariant constructions on $m$-dimentional surface in $n$-dimentional affine space JO - Doklady Akademii Nauk PY - 1958 SP - 811 EP - 814 VL - 121 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1958_121_5_a11/ LA - ru ID - DAN_1958_121_5_a11 ER -