%0 Journal Article %A V. K. Konyukhov %A L. A. Kulevskii %A A. M. Prokhorov %T Optical generator on $\mathrm{CdS}$ in the case of two-photon excitation by a ruby laser %J Doklady Akademii Nauk %D 1965 %P 1012-1015 %V 164 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1965_164_5_a14/ %G ru %F DAN_1965_164_5_a14