@article{IM2_1981_17_1_a8,
     author = {\`E. A. Storozhenko},
     title = {Theorems of {Jackson} type in~$H^p$,~$0<p<1$},
     journal = {Izvestiya. Mathematics },
     pages = {203--218},
     publisher = {mathdoc},
     volume = {17},
     number = {1},
     year = {1981},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/IM2_1981_17_1_a8/}
}