@article{DAN_1966_169_6_a6,
     author = {M. G. Krein and Sh. N. Saakyan},
     title = {Certain new results in the theory of resolvents of {Hermitian} operators},
     journal = {Doklady Akademii Nauk},
     pages = {1269--1272},
     publisher = {mathdoc},
     volume = {169},
     number = {6},
     year = {1966},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1966_169_6_a6/}
}