@article{IM2_1977_11_2_a12,
     author = {A. E. Fryntov and G. P. Chistyakov},
     title = {On the membership of lattice probability distributions in the class~$I_0$},
     journal = {Izvestiya. Mathematics },
     pages = {441--452},
     publisher = {mathdoc},
     volume = {11},
     number = {2},
     year = {1977},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/IM2_1977_11_2_a12/}
}