@article{SM_1967_2_2_a3,
     author = {M. L. Gerver and D. A. Kazhdan},
     title = {On finding the function $\rho(x)$ from the eigenvalue $s=s(p)$ of the equation $y''+[p\rho(x)-s]y=0$},
     journal = {Sbornik. Mathematics},
     pages = {199--206},
     year = {1967},
     volume = {2},
     number = {2},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_1967_2_2_a3/}
}