TY  - JOUR
AU  - A. N. Zubkov
AU  - V. T. Fomenko
TI  - Surfaces in Euclidean space with planar normal connectivity and zero normal torsion
JO  - Matematičeskie zametki
PY  - 1993
SP  - 3
EP  - 16
VL  - 54
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MZM_1993_54_1_a0/
LA  - ru
ID  - MZM_1993_54_1_a0
ER  -