@article{AA_2017_29_3_a1,
     author = {P. Zograf and M. Kazarian},
     title = {Rationality in map and hypermap enumeration by genus},
     journal = {Algebra i analiz},
     pages = {23--33},
     publisher = {mathdoc},
     volume = {29},
     number = {3},
     year = {2017},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/AA_2017_29_3_a1/}
}