@article{SM_1982_43_4_a7,
     author = {O. G. Parfenov},
     title = {Asymptotics of singular numbers of imbedding operators for certain classes of analytic functions},
     journal = {Sbornik. Mathematics},
     pages = {563--571},
     year = {1982},
     volume = {43},
     number = {4},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_1982_43_4_a7/}
}