%0 Journal Article %A I. S. Shraifel' %A I. M. Mal'tsev %T Criteria for basic simple-connectedness and their application to the solvability of the convolution equation %J Izvestiâ vysših učebnyh zavedenij. Matematika %D 2001 %P 57-64 %N 7 %I mathdoc %U http://geodesic.mathdoc.fr/item/IVM_2001_7_a7/ %G ru %F IVM_2001_7_a7