@article{TRSPY_1984_170_a2,
     author = {O. V. Besov},
     title = {The {Littlewood--Paley} theorem for a~mixed norm},
     journal = {Informatics and Automation},
     pages = {31--36},
     publisher = {mathdoc},
     volume = {170},
     year = {1984},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TRSPY_1984_170_a2/}
}