%0 Journal Article %A S. P. Chernov %A V. V. Mikhailin %A A.V. Shepelev %T On the possibility of laser ultraviolet generation in crystals at the hard electromagnetic radiation pumping %J Doklady Akademii Nauk %D 1977 %P 555-556 %V 237 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1977_237_3_a13/ %G ru %F DAN_1977_237_3_a13