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@article{DAN_1968_179_3_a18, author = {G. M. Khaplanov}, title = {Investigation of the ruby maser with optical pumping}, journal = {Doklady Akademii Nauk}, pages = {566--567}, publisher = {mathdoc}, volume = {179}, number = {3}, year = {1968}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1968_179_3_a18/} }
G. M. Khaplanov. Investigation of the ruby maser with optical pumping. Doklady Akademii Nauk, Tome 179 (1968) no. 3, pp. 566-567. http://geodesic.mathdoc.fr/item/DAN_1968_179_3_a18/