%0 Journal Article %A V. V. Lipnevich %T A fractional analog of the Laplace operator and its ordinary property %J Trudy Instituta matematiki %D 2011 %P 82-86 %V 19 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/TIMB_2011_19_2_a8/ %G ru %F TIMB_2011_19_2_a8