@article{1214431799, author = {Stehney, Ann}, title = {Extremal sets of $p$-th sectional curvature}, journal = {J. Differential Geom.}, volume = {8}, number = {3}, year = {1973}, pages = { 383-400}, language = {en}, url = {http://dml.mathdoc.fr/item/1214431799} }
Stehney, Ann. Extremal sets of $p$-th sectional curvature. J. Differential Geom., Tome 8 (1973) no. 3, pp. 383-400. http://gdmltest.u-ga.fr/item/1214431799/