%0 Journal Article %A A. N. Podkorutov %T On asymptotics of Dirichlet's kernels of Fourier sums with respect to a polygon %J Zapiski Nauchnykh Seminarov POMI %D 1986 %P 142-149 %V 149 %U http://geodesic.mathdoc.fr/item/ZNSL_1986_149_a12/ %G ru %F ZNSL_1986_149_a12