%0 Journal Article %A V. È. Lyantse %T Inversion formulas in the class of unbounded functions, arising in a second-order boundary-value problem %J Doklady Akademii Nauk %D 1963 %P 987-990 %V 150 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1963_150_5_a8/ %G ru %F DAN_1963_150_5_a8