@article{DAN_1987_293_5_a2,
     author = {A. V. Bitsadze},
     title = {The multidimensional {Hilbert} transformation},
     journal = {Doklady Akademii Nauk},
     pages = {1039--1041},
     year = {1987},
     volume = {293},
     number = {5},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1987_293_5_a2/}
}