@article{GDZPPN002325136, title = {Detecting the Standard Embedding of IR P2 in S4.}, journal = {Mathematische Annalen}, volume = {268}, year = {1984}, pages = {439-448}, zbl = {0525.57026}, url = {http://dml.mathdoc.fr/item/GDZPPN002325136} }
Lawson, Terry. Detecting the Standard Embedding of IR P2 in S4.. Mathematische Annalen, Tome 268 (1984) pp. 439-448. http://gdmltest.u-ga.fr/item/GDZPPN002325136/