%0 Journal Article %A V. M. Arakelyan %A V. M. Harutyunyan %A A. G. Sarkisyan %A G. M. Stepanyan %A V. L. Elbakyan %T The synthesis and the investigation of TiO$_2$--MnO$_2$ %J Proceedings of the Yerevan State University. Physical and mathematical sciences %D 1986 %P 69-74 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/UZERU_1986_3_a10/ %G ru %F UZERU_1986_3_a10