@article{1102370328, author = {Murakami, Hitoshi and Yasuhara, Akira}, title = {Crosscap number of a knot.}, journal = {Pacific J. Math.}, volume = {171}, number = {2}, year = {1995}, pages = { 261-273}, language = {en}, url = {http://dml.mathdoc.fr/item/1102370328} }
Murakami, Hitoshi; Yasuhara, Akira. Crosscap number of a knot.. Pacific J. Math., Tome 171 (1995) no. 2, pp. 261-273. http://gdmltest.u-ga.fr/item/1102370328/