@article{DAN_1962_147_3_a30,
     author = {L. M. Kovba and V. K. Trunov},
     title = {On binary oxides containing tungsten, tantalum and niobium},
     journal = {Doklady Akademii Nauk},
     pages = {622--624},
     publisher = {mathdoc},
     volume = {147},
     number = {3},
     year = {1962},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1962_147_3_a30/}
}