@article{ZNSL_1999_256_a13,
     author = {M. A. Alekseyev and L. Yu. Glebskii and E. I. Gordon},
     title = {On approximations of the groups, group actions and {Hopf} algebras},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {224--262},
     publisher = {mathdoc},
     volume = {256},
     year = {1999},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_1999_256_a13/}
}