@article{10_2307_2661393,
     author = {Fritz Gesztesy and Barry Simon},
     title = {A new approach to inverse spectral theory. {II:} {General} real potentials and the connection to the spectral measure},
     journal = {Annals of mathematics},
     year = {2000},
     volume = {152},
     number = {2},
     doi = {10.2307/2661393},
     zbl = {0983.34013},
     url = {http://geodesic.mathdoc.fr/articles/10.2307/2661393/}
}