@article{DAN_1963_149_3_a22, author = {V. K. Konyukhov and L. A. Kulevskii and A. M. Prokhorov}, title = {Investigation of optical oscillator on ruby at liquid-nitrogen temperature}, journal = {Doklady Akademii Nauk}, pages = {571--572}, publisher = {mathdoc}, volume = {149}, number = {3}, year = {1963}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1963_149_3_a22/} }