@article{SMZ_2005__46_6_53247,
     author = {Klimenko, E.Ya. and Kopteva, N.V.},
     title = {Discrete -groups with a parabolic generator.},
     journal = {Sibirskij Matematicheskij Zhurnal},
     pages = {1324},
     publisher = {mathdoc},
     volume = {46},
     number = {6},
     year = {2005},
     zbl = {1116.57015},
     language = {en},
     url = {https://geodesic-test.mathdoc.fr/item/SMZ_2005__46_6_53247/}
}