@article{DVMG_2017_17_2_a5,
     author = {M. A. Guzev and N. N. Kradin and E. Y. Nikitina},
     title = {Ranked analysis of the life cycle of polities},
     journal = {Dalʹnevosto\v{c}nyj matemati\v{c}eskij \v{z}urnal},
     pages = {180--190},
     publisher = {mathdoc},
     volume = {17},
     number = {2},
     year = {2017},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DVMG_2017_17_2_a5/}
}