@article{00966310, title = {Riemannian convexity.}, journal = {Balkan Journal of Geometry and its Applications (BJGA)}, volume = {1}, year = {1996}, pages = {111-116}, zbl = {0861.49026}, language = {en}, url = {http://dml.mathdoc.fr/item/00966310} }
Udrişte, Constantin. Riemannian convexity.. Balkan Journal of Geometry and its Applications (BJGA), Tome 1 (1996) pp. 111-116. http://gdmltest.u-ga.fr/item/00966310/