%0 Journal Article %A Bazhlekova, Emilia %T Convolutional Calculus of Dimovski and QR-regularization of the Backward Heat Problem %J Serdica Mathematical Journal %D 2015 %P 415-430 %V 41 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/SMJ2_2015_41_4_a5/ %G en %F SMJ2_2015_41_4_a5