@article{GDZPPN002409054, title = {Pseudo-Isotopies of S3 x S1.}, journal = {Mathematische Zeitschrift}, volume = {121}, year = {1971}, pages = {201-205}, zbl = {0212.56101}, url = {http://dml.mathdoc.fr/item/GDZPPN002409054} }
Swarup, G. Ananda. Pseudo-Isotopies of S3 x S1.. Mathematische Zeitschrift, Tome 121 (1971) pp. 201-205. http://gdmltest.u-ga.fr/item/GDZPPN002409054/