@article{IM2_2006_70_5_a6,
     author = {A. V. Romanov},
     title = {Effective finite parametrization in~phase spaces of parabolic},
     journal = {Izvestiya. Mathematics},
     pages = {1015--1029},
     year = {2006},
     volume = {70},
     number = {5},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/IM2_2006_70_5_a6/}
}