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@article{DCG_1990__5_2_131138, author = {D.W. Barnette}, title = {Wv {Paths} on the {Torus.}}, journal = {Discrete & computational geometry}, pages = {603--608}, publisher = {mathdoc}, volume = {5}, number = {2}, year = {1990}, zbl = {0711.52005}, url = {http://geodesic.mathdoc.fr/item/DCG_1990__5_2_131138/} }
D.W. Barnette. Wv Paths on the Torus.. Discrete & computational geometry, Tome 5 (1990) no. 2, pp. 603-608. http://geodesic.mathdoc.fr/item/DCG_1990__5_2_131138/