@article{05904711,
title = {A geometric space without conjugate points.},
journal = {Balkan Journal of Geometry and its Applications (BJGA)},
volume = {15},
year = {2010},
pages = {17-40},
zbl = {1222.53043},
language = {en},
url = {http://dml.mathdoc.fr/item/05904711}
}
Bucataru, Ioan; Dahl, Matias F. A geometric space without conjugate points.. Balkan Journal of Geometry and its Applications (BJGA), Tome 15 (2010) pp. 17-40. http://gdmltest.u-ga.fr/item/05904711/