%0 Journal Article
%A A. A. Tuzhilin
%T Morse-type indices of of two-dimensional minimal surfaces in $\mathbf R^3$ and $\mathbf H^3$
%J Izvestiya. Mathematics 
%D 1992
%P 575-598
%V 38
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/IM2_1992_38_3_a6/
%G en
%F IM2_1992_38_3_a6