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@article{MAN_1984__267_163904, author = {Terry Lawson}, title = {Detecting the {Standard} {Embedding} of {IR} {P2} in {S4.}}, journal = {Mathematische Annalen}, pages = {439--448}, publisher = {mathdoc}, volume = {267}, year = {1984}, zbl = {0525.57026}, url = {http://geodesic.mathdoc.fr/item/MAN_1984__267_163904/} }
Terry Lawson. Detecting the Standard Embedding of IR P2 in S4.. Mathematische Annalen, Tome 267 (1984), pp. 439-448. http://geodesic.mathdoc.fr/item/MAN_1984__267_163904/