%0 Journal Article
%A P. I. Lizorkin
%T Operators connected with fractional differentiation, and classes of differentiable functions
%J Informatics and Automation
%D 1972
%P 212-243
%V 117
%I mathdoc
%U http://geodesic.mathdoc.fr/item/TRSPY_1972_117_a11/
%G ru
%F TRSPY_1972_117_a11