@article{GDZPPN002337886, title = {Heegaard splittings of (surface) x I are standars.}, journal = {Mathematische Annalen}, volume = {295}, year = {1993}, pages = {549-564}, zbl = {0814.57010}, url = {http://dml.mathdoc.fr/item/GDZPPN002337886} }
Scharlemann, Martin; Thompson, Abigail. Heegaard splittings of (surface) x I are standars.. Mathematische Annalen, Tome 295 (1993) pp. 549-564. http://gdmltest.u-ga.fr/item/GDZPPN002337886/