@article{SM_1998_189_3_a3,
     author = {E. D. Nursultanov},
     title = {Net spaces and inequalities of {Hardy--Littlewood} type},
     journal = {Sbornik. Mathematics},
     pages = {399--419},
     publisher = {mathdoc},
     volume = {189},
     number = {3},
     year = {1998},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_1998_189_3_a3/}
}