%0 Journal Article %A S. P. Toropova %T A relation between semigroups with a singularity and integrated semigroups %J Izvestiâ vysših učebnyh zavedenij. Matematika %D 2003 %P 69-77 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/IVM_2003_3_a8/ %G ru %F IVM_2003_3_a8