Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{CMH_1990__65_3_140180, author = {Ernst A. Ruh and Maung Min-O}, title = {L2 - {Curvature} pinching.}, journal = {Commentarii mathematici Helvetici}, pages = {36--51}, publisher = {mathdoc}, volume = {65}, number = {3}, year = {1990}, zbl = {0704.53031}, url = {http://geodesic.mathdoc.fr/item/CMH_1990__65_3_140180/} }
Ernst A. Ruh; Maung Min-O. L2 - Curvature pinching.. Commentarii mathematici Helvetici, Tome 65 (1990) no. 3, pp. 36-51. http://geodesic.mathdoc.fr/item/CMH_1990__65_3_140180/