%0 Journal Article
%A S. A. Kuleshov
%T Isometries of semi-orthogonal forms on a~$\mathbb Z$-module of rank~3
%J Izvestiya. Mathematics 
%D 2013
%P 44-86
%V 77
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/IM2_2013_77_1_a4/
%G en
%F IM2_2013_77_1_a4