@article{10_37236_991,
     author = {David Hartvigsen},
     title = {Maximum cardinality 1-restricted simple 2-matchings},
     journal = {The electronic journal of combinatorics},
     year = {2007},
     volume = {14},
     doi = {10.37236/991},
     zbl = {1158.05332},
     url = {http://geodesic.mathdoc.fr/articles/10.37236/991/}
}