@article{IM2_2011_75_1_a1,
     author = {S. S. Volosivets},
     title = {Modified {Hardy} and {Hardy{\textendash}Littlewood} operators and their behaviour in various spaces},
     journal = {Izvestiya. Mathematics},
     pages = {29--51},
     year = {2011},
     volume = {75},
     number = {1},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/IM2_2011_75_1_a1/}
}