@article{10_37236_9151,
     author = {Grant T. Barkley and Ricky Ini Liu},
     title = {Channels, billiards, and perfect matching 2-divisibility},
     journal = {The electronic journal of combinatorics},
     year = {2021},
     volume = {28},
     number = {2},
     doi = {10.37236/9151},
     zbl = {1475.05148},
     url = {http://geodesic.mathdoc.fr/articles/10.37236/9151/}
}