@article{DAN_1962_144_4_a24,
     author = {L. A. Grigoryan and A. V. Novoselova},
     title = {An investigation of niobium sulfides},
     journal = {Doklady Akademii Nauk},
     pages = {795--797},
     publisher = {mathdoc},
     volume = {144},
     number = {4},
     year = {1962},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1962_144_4_a24/}
}