%0 Journal Article %A A. A. Balandin %A E. I. Karpeiskaya %A V. A. Ferapontov %A A. A. Tolstopyatova %T Investigations into the catalytic synthesis of piperazine %J Doklady Akademii Nauk %D 1965 %P 99-102 %V 165 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1965_165_1_a24/ %G ru %F DAN_1965_165_1_a24