@article{LJM_2002_11_a1,
     author = {F. G. Avkhadiev and K.-J. Wirths},
     title = {On the coefficient multipliers theorem of {Hardy} and {Littlewood}},
     journal = {Lobachevskii journal of mathematics},
     pages = {7--12},
     publisher = {mathdoc},
     volume = {11},
     year = {2002},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/LJM_2002_11_a1/}
}