%0 Journal Article
%A M. S. Matveichuk
%A A. M. Ionova
%T Positive projections as generators of $J$-projections of type~(B)
%J Lobachevskii journal of mathematics
%D 2007
%P 91-105
%V 26
%I mathdoc
%U http://geodesic.mathdoc.fr/item/LJM_2007_26_a9/
%G en
%F LJM_2007_26_a9