@article{10_37236_1202,
     author = {C. D. Godsil},
     title = {Algebraic matching theory},
     journal = {The electronic journal of combinatorics},
     year = {1995},
     volume = {2},
     doi = {10.37236/1202},
     zbl = {0818.05063},
     url = {http://geodesic.mathdoc.fr/articles/10.37236/1202/}
}