TY - JOUR AU - Mykola Komarnitskiy AU - Roman Oliynyk TI - Preradical and kernel functors over categories of $S$-acts JO - Algebra and discrete mathematics PY - 2010 SP - 57 EP - 66 VL - 10 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ADM_2010_10_1_a5/ LA - en ID - ADM_2010_10_1_a5 ER -