%0 Journal Article %A R. Denchev %T On a non-linear boundary value problem in the theory of analytic functions arising in quantum field theory %J Žurnal vyčislitelʹnoj matematiki i matematičeskoj fiziki %D 1963 %P 771-776 %V 3 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/ZVMMF_1963_3_4_a12/ %G ru %F ZVMMF_1963_3_4_a12