@article{ITVS_2020_4_a5,
     author = {I. A. Faradzhev},
     title = {Symmetry vs regularity},
     journal = {Informacionnye tehnologii i vy\v{c}islitelnye sistemy},
     pages = {71--77},
     year = {2020},
     number = {4},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ITVS_2020_4_a5/}
}