@article{DAN_1990_314_2_a5,
     author = {N. K. Karapetyants and Kh. M. Murdaev and A. Ya. Yakubov},
     title = {The isomorphism realized by fractional integrals in generalized {H\"older} classes},
     journal = {Doklady Akademii Nauk},
     pages = {288--291},
     publisher = {mathdoc},
     volume = {314},
     number = {2},
     year = {1990},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1990_314_2_a5/}
}