@article{DAN_1982_263_6_a3,
     author = {N. K. Karapetyants and B. S. Rubin},
     title = {Radial {Riesz} potentials on the disk and fractional integration operators},
     journal = {Doklady Akademii Nauk},
     pages = {1299--1302},
     publisher = {mathdoc},
     volume = {263},
     number = {6},
     year = {1982},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1982_263_6_a3/}
}