@article{10_37236_355,
     author = {Markus Fulmek},
     title = {Graphical condensation, overlapping {Pfaffians} and superpositions of matchings},
     journal = {The electronic journal of combinatorics},
     year = {2010},
     volume = {17},
     doi = {10.37236/355},
     zbl = {1215.05131},
     url = {http://geodesic.mathdoc.fr/articles/10.37236/355/}
}