%0 Journal Article %A G. I. Ibragimov %T Convergence of a~double Dirichlet series in a~product of closed polygons %J Izvestiâ vysših učebnyh zavedenij. Matematika %D 1988 %P 76-79 %N 10 %I mathdoc %U http://geodesic.mathdoc.fr/item/IVM_1988_10_a14/ %G ru %F IVM_1988_10_a14