@article{KUKTF_1983_4_4_a5,
     author = {F. F. Maier},
     title = {Sharp estimates for functions regular in the disc},
     journal = {Konstruktivnaya Teoriya Funktsii i Funktsional'nyi Analiz},
     pages = {33--41},
     year = {1983},
     volume = {4},
     number = {4},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/KUKTF_1983_4_4_a5/}
}