%0 Journal Article %T On vector-valued analogy of Riesz-Fisher, Hardy and Littlewood theorems %A M. I. Ismailov %A A. N. Jabrailova %J International Journal of Mathematical Analysis %D 2012 %I %U http://www.m-hikari.com/ijma/ijma-2012/ijma-49-52-2012/jabrailovaIJMA49-52-2012.pdf