@article{SM_2004_195_1_a2,
     author = {M. S. Kulikov},
     title = {Schottky-type groups and minimal sets of horocycle and geodesic flows},
     journal = {Sbornik. Mathematics},
     pages = {35--64},
     publisher = {mathdoc},
     volume = {195},
     number = {1},
     year = {2004},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_2004_195_1_a2/}
}