@article{1029001101, author = {Heil, Wolfgang}, title = {Almost sufficiently large Seifert fiber spaces.}, journal = {Michigan Math. J.}, volume = {20}, number = {1}, year = {1973}, pages = { 217-223}, language = {en}, url = {http://dml.mathdoc.fr/item/1029001101} }
Heil, Wolfgang. Almost sufficiently large Seifert fiber spaces.. Michigan Math. J., Tome 20 (1973) no. 1, pp. 217-223. http://gdmltest.u-ga.fr/item/1029001101/