@article{05836309, title = {Seifert manifolds and (1,1)-knots.}, journal = {Sibirskij Matematicheskij Zhurnal}, volume = {50}, year = {2009}, pages = {28-39}, zbl = {1224.57004}, language = {en}, url = {http://dml.mathdoc.fr/item/05836309} }
Grasselli, Luigi; Mulazzani, Michele. Seifert manifolds and (1,1)-knots.. Sibirskij Matematicheskij Zhurnal, Tome 50 (2009) pp. 28-39. http://gdmltest.u-ga.fr/item/05836309/