%0 Journal Article %A V. A. Voloshin %A A. A. Galkin %A L. K. Mashkov %T Rise in the symmetry of the luminescence centre of europium benzoylacetone under the influence of all-sided compression %J Doklady Akademii Nauk %D 1969 %P 64 %V 188 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1969_188_1_a15/ %G ru %F DAN_1969_188_1_a15