%0 Journal Article %A T. M. Rasulov %T Construction of a strongly quasiregular kernel of potential for the solution of a spectral problem %J Differencialʹnye uravneniâ %D 1991 %P 1048-1055 %V 27 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1991_27_6_a17/ %G ru %F DE_1991_27_6_a17