%0 Journal Article
%A Osvaldo Marrero
%T Eigenvalues of nonsingular matices and combinatorial applications
%J Revista colombiana de matematicas
%D 1976
%P 121-124
%V 10
%I mathdoc
%U http://geodesic.mathdoc.fr/item/RCM_1976__10_181654/
%F RCM_1976__10_181654