@article{10_37236_2765,
     author = {Matthieu Dufour and Silvia Heubach},
     title = {Circular {Nim} games},
     journal = {The electronic journal of combinatorics},
     year = {2013},
     volume = {20},
     number = {2},
     doi = {10.37236/2765},
     zbl = {1266.91016},
     url = {http://geodesic.mathdoc.fr/articles/10.37236/2765/}
}