@article{TRSPY_1967_89_a10,
     author = {P. I. Lizorkin},
     title = {Theorems of {Littlewood--Paley} type for multiple {Fourier} integrals},
     journal = {Informatics and Automation},
     pages = {214--230},
     publisher = {mathdoc},
     volume = {89},
     year = {1967},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TRSPY_1967_89_a10/}
}