%0 Journal Article %A Yu. K. Sirenko %T On a proof of the method of semi-inversion of matrix operators in diffraction problems %J Žurnal vyčislitelʹnoj matematiki i matematičeskoj fiziki %D 1983 %P 1381-1391 %V 23 %N 6 %U http://geodesic.mathdoc.fr/item/ZVMMF_1983_23_6_a8/ %G ru %F ZVMMF_1983_23_6_a8