@article{1200688283, author = {Homma, Tatsuo}, title = {On the existence of unknotted polygons on 2-manifolds in $E\sp 3$}, journal = {Osaka Math. J.}, volume = {6}, number = {1}, year = {1954}, pages = { 129-134}, language = {en}, url = {http://dml.mathdoc.fr/item/1200688283} }
Homma, Tatsuo. On the existence of unknotted polygons on 2-manifolds in $E\sp 3$. Osaka Math. J., Tome 6 (1954) no. 1, pp. 129-134. http://gdmltest.u-ga.fr/item/1200688283/