%0 Journal Article %A V. F. Kitaeva %A L. A. Kulevskii %A Yu. N. Polivanov %A S. N. Poluéktov %T Spontaneous parametric radiation and scattering of light on polaritons in $\alpha$-$\mathrm{HJO}_3$ crystal %J Doklady Akademii Nauk %D 1972 %P 1322-1323 %V 207 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1972_207_6_a14/ %G ru %F DAN_1972_207_6_a14