Cohen, Daniel C.; Vandembroucq, Lucile (2016). "Topological complexity of the Klein bottle". Journal of Applied and Computational Topology. 1 (2): 199–213. arXiv:1612.03133. doi:10.1007/s41468-017-0002-0.
doi.org
Cohen, Daniel C.; Vandembroucq, Lucile (2016). "Topological complexity of the Klein bottle". Journal of Applied and Computational Topology. 1 (2): 199–213. arXiv:1612.03133. doi:10.1007/s41468-017-0002-0.