%0 Journal Article %A G. G. Sadikov %A V. P. Nikolaev %A A. V. Lavrov %A M. A. Porai-Koshits %T Crystal structure of acid mixed tantalum and rubidium ortho-pentaphosphate, %J Doklady Akademii Nauk %D 1982 %P 354-358 %V 266 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1982_266_2_a22/ %G ru %F DAN_1982_266_2_a22