%0 Journal Article %A R. Kh. Freidlina %A B. V. Kopylova %T Synthesis of $\mathrm{S}$-substituted isothiuronium derivatives by the action of thiourea on simple ethers %J Doklady Akademii Nauk %D 1963 %P 626-627 %V 153 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1963_153_3_a34/ %G ru %F DAN_1963_153_3_a34