%0 Journal Article %A M. L. Gerver %A D. A. Kazhdan %T On finding the function $\rho(x)$ from the eigenvalue $s=s(p)$ of the equation $y''+[p\rho(x)-s]y=0$ %J Sbornik. Mathematics %D 1967 %P 199-206 %V 2 %N 2 %U http://geodesic.mathdoc.fr/item/SM_1967_2_2_a3/ %G en %F SM_1967_2_2_a3