@article{DAN_1990_312_3_a6,
     author = {V. D. Stepanov},
     title = {On the boundedness and compactness of a class of integral},
     journal = {Doklady Akademii Nauk},
     pages = {544--546},
     publisher = {mathdoc},
     volume = {312},
     number = {3},
     year = {1990},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1990_312_3_a6/}
}