@article{DAN_1975_222_6_a0,
     author = {V. A. Bondarenko and P. P. Zabreiko},
     title = {The superposition operator in {H\"older} function spaces},
     journal = {Doklady Akademii Nauk},
     pages = {1265--1268},
     publisher = {mathdoc},
     volume = {222},
     number = {6},
     year = {1975},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1975_222_6_a0/}
}