@article{DAN_1976_226_2_a3,
     author = {M. G. Krein and G. K. Langer},
     title = {On the indefinite power moment problem},
     journal = {Doklady Akademii Nauk},
     pages = {261--264},
     publisher = {mathdoc},
     volume = {226},
     number = {2},
     year = {1976},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1976_226_2_a3/}
}