@article{IVM_1980_11_a15,
     author = {S. G. Samko and S. M. Umarkhadzhiev},
     title = {Description of a~space of {Riesz} potentials in terms of higher derivatives},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {79--82},
     publisher = {mathdoc},
     number = {11},
     year = {1980},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1980_11_a15/}
}