@article{DAN_1992_326_1_a1,
     author = {V. A. Derkach and M. M. Malamud},
     title = {Inverse problems for {Weyl} functions and preresolvent and resolvent},
     journal = {Doklady Akademii Nauk},
     pages = {12--18},
     publisher = {mathdoc},
     volume = {326},
     number = {1},
     year = {1992},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1992_326_1_a1/}
}