%0 Journal Article
%A V. A. Gorkavyy
%T Bianchi congruences of two-dimensional surfaces in~$E^4$
%J Sbornik. Mathematics
%D 2005
%P 1473-1493
%V 196
%N 10
%I mathdoc
%U http://geodesic.mathdoc.fr/item/SM_2005_196_10_a2/
%G en
%F SM_2005_196_10_a2