%0 Journal Article %A V. V. Lukyanov %A A. I. Nazarov %T Solving of Vent'sel boundary-value problem for Laplace and Helmholtz equations by iterated potentials %J Zapiski Nauchnykh Seminarov POMI %D 1998 %P 203-218 %V 250 %U http://geodesic.mathdoc.fr/item/ZNSL_1998_250_a13/ %G ru %F ZNSL_1998_250_a13