%0 Journal Article %A V. V. Sobolev %T Experimental investigations of the zonal structure of hexagonal selenium and tellurium crystals %J Doklady Akademii Nauk %D 1963 %P 1308-1310 %V 151 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1963_151_6_a20/ %G ru %F DAN_1963_151_6_a20