%0 Journal Article
%A P. V. Klevtsov
%A L. Yu. Kharchenko
%A R. F. Klevtsova
%T The hydrothermal synthesis and symmetry of oxytungstate crystals $\mathrm{Ln}_2\mathrm{W}_2\mathrm{O}_9$ 

%J Doklady Akademii Nauk
%D 1967
%P 575-577
%V 176
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1967_176_3_a21/
%G ru
%F DAN_1967_176_3_a21