%0 Journal Article %A I. I. Ogievetskii %T On the theory of fractional differentiation and integration of periodic functions belonging to an $L_p$ class with $p>1$ %J Doklady Akademii Nauk %D 1958 %P 443-446 %V 118 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1958_118_3_a6/ %G ru %F DAN_1958_118_3_a6