@article{DAN_1977_236_4_a0,
     author = {E. M. Dyn'kin},
     title = {Free interpolation in {H\"older} classes},
     journal = {Doklady Akademii Nauk},
     pages = {785--788},
     year = {1977},
     volume = {236},
     number = {4},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1977_236_4_a0/}
}