@article{10_37236_1325,
     author = {Aviezri S. Fraenkel},
     title = {Combinatorial game theory foundations applied to digraph kernels},
     journal = {The electronic journal of combinatorics},
     year = {1997},
     volume = {4},
     number = {2},
     doi = {10.37236/1325},
     zbl = {0884.05045},
     url = {http://geodesic.mathdoc.fr/articles/10.37236/1325/}
}