%0 Journal Article %A L. A. Ivanov %T On the Cauchy problem for factorable operators with singularities %J Doklady Akademii Nauk %D 1977 %P 521-524 %V 234 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1977_234_3_a4/ %G ru %F DAN_1977_234_3_a4