@article{1102969430, author = {Lambert, Howard}, title = {Planar surfaces in knot manifolds.}, journal = {Pacific J. Math.}, volume = {39}, number = {3}, year = {1971}, pages = { 727-733}, language = {en}, url = {http://dml.mathdoc.fr/item/1102969430} }
Lambert, Howard. Planar surfaces in knot manifolds.. Pacific J. Math., Tome 39 (1971) no. 3, pp. 727-733. http://gdmltest.u-ga.fr/item/1102969430/