@article{IVM_1999_7_a4,
     author = {M. A. Osiptsev},
     title = {A~coefficient estimate for harmonic automorphisms of the circle},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {42--45},
     year = {1999},
     number = {7},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1999_7_a4/}
}