@article{VMUMM_2017_5_a7,
     author = {A. P. Kombarov},
     title = {The weak form of normality},
     journal = {Vestnik Moskovskogo universiteta. Matematika, mehanika},
     pages = {48--51},
     year = {2017},
     number = {5},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VMUMM_2017_5_a7/}
}