@article{DAN_1992_324_2_a3,
     author = {V. A. Marchenko},
     title = {Characteristic properties of {Weyl} solutions},
     journal = {Doklady Akademii Nauk},
     pages = {261--264},
     publisher = {mathdoc},
     volume = {324},
     number = {2},
     year = {1992},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1992_324_2_a3/}
}