TY  - JOUR
AU  - Anna Galluccio
AU  - Martin Loebl
TI  - On the theory of Pfaffian orientations. I: Perfect matchings and permanents
JO  - The electronic journal of combinatorics
PY  - 1999
VL  - 6
UR  - http://geodesic.mathdoc.fr/articles/10.37236/1438/
DO  - 10.37236/1438
ID  - 10_37236_1438
ER  -