%0 Journal Article %A L. P. Otroshchenko %A V. I. Simonov %A N. V. Belov %T Crystalline structure of potassium manganese synthetic metasilicates, %J Doklady Akademii Nauk %D 1973 %P 845-848 %V 208 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1973_208_4_a22/ %G ru %F DAN_1973_208_4_a22