TY  - JOUR
AU  - V. A. Gorkavyy
TI  - Bianchi congruences of two-dimensional surfaces in~$E^4$
JO  - Sbornik. Mathematics
PY  - 2005
SP  - 1473
EP  - 1493
VL  - 196
IS  - 10
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/SM_2005_196_10_a2/
LA  - en
ID  - SM_2005_196_10_a2
ER  -