Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{CMH_1990__65_3_140202, author = {Ronnie Lee and D.M. Wilczynski}, title = {Locally flat 2-spheres in simply connected 4-manifolds.}, journal = {Commentarii mathematici Helvetici}, pages = {388--412}, publisher = {mathdoc}, volume = {65}, number = {3}, year = {1990}, zbl = {0723.57015}, url = {http://geodesic.mathdoc.fr/item/CMH_1990__65_3_140202/} }
Ronnie Lee; D.M. Wilczynski. Locally flat 2-spheres in simply connected 4-manifolds.. Commentarii mathematici Helvetici, Tome 65 (1990) no. 3, pp. 388-412. http://geodesic.mathdoc.fr/item/CMH_1990__65_3_140202/