@article{1256050671,
author = {Blair, D. E. and Ogiue, K.},
title = {Positively curved integral submanifolds of a contact distribution},
journal = {Illinois J. Math.},
volume = {19},
number = {4},
year = {1975},
pages = { 628-631},
language = {en},
url = {http://dml.mathdoc.fr/item/1256050671}
}
Blair, D. E.; Ogiue, K. Positively curved integral submanifolds of a contact distribution. Illinois J. Math., Tome 19 (1975) no. 4, pp. 628-631. http://gdmltest.u-ga.fr/item/1256050671/