%0 Journal Article
%A Ivan Gutman
%T A Property Of The Number Of Perfect Matchings Of A Graph
%J Publications de l'Institut Mathématique
%D 1991
%P 17 
%V _N_S_49
%N 63
%I mathdoc
%U http://geodesic.mathdoc.fr/item/PIM_1991_N_S_49_63_a2/
%F PIM_1991_N_S_49_63_a2