TY - JOUR AU - Bazhlekova, Emilia TI - Convolutional Calculus of Dimovski and QR-regularization of the Backward Heat Problem JO - Serdica Mathematical Journal PY - 2015 SP - 415 EP - 430 VL - 41 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/SMJ2_2015_41_4_a5/ LA - en ID - SMJ2_2015_41_4_a5 ER -