@article{1153492514, author = {Shibuya, Tetsuo and Yasuhara, Akira}, title = {A characterization of four-genus of knots}, journal = {Osaka J. Math.}, volume = {38}, number = {1}, year = {2001}, pages = { 611-618}, language = {en}, url = {http://dml.mathdoc.fr/item/1153492514} }
Shibuya, Tetsuo; Yasuhara, Akira. A characterization of four-genus of knots. Osaka J. Math., Tome 38 (2001) no. 1, pp. 611-618. http://gdmltest.u-ga.fr/item/1153492514/