@article{AA_2003_15_1_a5,
     author = {N. D. Lebedeva},
     title = {On the exponential growth of spaces without conjugate points},
     journal = {Algebra i analiz},
     pages = {184--200},
     publisher = {mathdoc},
     volume = {15},
     number = {1},
     year = {2003},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/AA_2003_15_1_a5/}
}