%0 Journal Article %A S. M. Skuratov %A A. A. Strepikheev %A M. P. Kozina %T The reactivity of five- and six-member heterocyclic compounds %J Doklady Akademii Nauk %D 1957 %P 452-454 %V 117 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1957_117_3_a23/ %G ru %F DAN_1957_117_3_a23