TY - JOUR AU - V. I. Shulikovskii TI - Tensor theoretical presentation of the method of the movable trihedron of a surface in $E_3$ JO - Učënye zapiski Kazanskogo universiteta. Seriâ Fiziko-matematičeskie nauki PY - 1955 SP - 61 EP - 68 VL - 115 IS - 14 UR - http://geodesic.mathdoc.fr/item/UZKU_1955_115_14_a5/ LA - ru ID - UZKU_1955_115_14_a5 ER -