@article{10_37236_1263,
     author = {Donald E. Knuth},
     title = {Overlapping {Pfaffians}},
     journal = {The electronic journal of combinatorics},
     year = {1996},
     volume = {3},
     number = {2},
     doi = {10.37236/1263},
     zbl = {0862.15007},
     url = {http://geodesic.mathdoc.fr/articles/10.37236/1263/}
}