@article{DAN_1967_172_1_a19,
     author = {Ya. A. Kalashnikov and L. F. Vereshchagin and E. M. Feklichev and I. S. Sukhushina},
     title = {Artificial production of a {Ballas} type diamond},
     journal = {Doklady Akademii Nauk},
     pages = {76},
     publisher = {mathdoc},
     volume = {172},
     number = {1},
     year = {1967},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1967_172_1_a19/}
}