%0 Journal Article %A G. Yu. Buryakovskii %A V. S. Mashkevich %T A theory of laser generation by two kinds of centre %J Doklady Akademii Nauk %D 1968 %P 1277-1280 %V 178 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1968_178_6_a13/ %G ru %F DAN_1968_178_6_a13