@article{10_21136_CMJ_1986_102059,
     author = {Vrba, Anton{\'\i}n},
     title = {The permanent of the {Laplacian} matrix of a bipartite graph},
     journal = {Czechoslovak Mathematical Journal},
     pages = {7--17},
     publisher = {mathdoc},
     volume = {36},
     number = {1},
     year = {1986},
     doi = {10.21136/CMJ.1986.102059},
     mrnumber = {822860},
     zbl = {0603.05029},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1986.102059/}
}