%0 Journal Article
%A Anna Galluccio
%A Martin Loebl
%T On the theory of Pfaffian orientations. I: Perfect matchings and permanents
%J The electronic journal of combinatorics
%D 1999
%V 6
%U http://geodesic.mathdoc.fr/articles/10.37236/1438/
%R 10.37236/1438
%F 10_37236_1438