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@article{MZ_1991__206_1_174242, author = {R. Braun}, title = {On a geometric property of the normal bundle of surfaces in {IP4.}}, journal = {Mathematische Zeitschrift}, pages = {535--550}, publisher = {mathdoc}, volume = {206}, number = {1}, year = {1991}, zbl = {0707.14038}, url = {http://geodesic.mathdoc.fr/item/MZ_1991__206_1_174242/} }
R. Braun. On a geometric property of the normal bundle of surfaces in IP4.. Mathematische Zeitschrift, Tome 206 (1991) no. 1, pp. 535-550. http://geodesic.mathdoc.fr/item/MZ_1991__206_1_174242/