%0 Journal Article %A I. I. Bavrin %T Classes of harmonic and analytic functions associated with the operator $J_a^{(l)}$ and their structural representation %J Doklady Akademii Nauk %D 1976 %P 521-523 %V 227 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1976_227_3_a0/ %G ru %F DAN_1976_227_3_a0