%0 Journal Article %A B. V. Ioffe %A D. D. Tsitovich %T A new method of pyrazoline synthesis. Condensation of tertiary acetylene chlorides with hydrazine %J Doklady Akademii Nauk %D 1964 %P 1348-1351 %V 155 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1964_155_6_a19/ %G ru %F DAN_1964_155_6_a19