@article{DAN_1971_198_4_a3,
     author = {V. B. Korotkov},
     title = {On integral representations of linear operators},
     journal = {Doklady Akademii Nauk},
     pages = {755--758},
     publisher = {mathdoc},
     volume = {198},
     number = {4},
     year = {1971},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1971_198_4_a3/}
}