%0 Journal Article %A A. I. Guseinov %A Kh. Sh. Mukhtarov %T Investigation of a class of non-linear singular integral equations with Cauchy kernel and vanishing on annuli %J Doklady Akademii Nauk %D 1964 %P 491-494 %V 156 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1964_156_3_a1/ %G ru %F DAN_1964_156_3_a1