SYNTHESIS AND COMPOSITION OF COMPLEXES OF TRANSITIVE METALS WITH SOME A-CARBONYL-CONTAINING ARYLHYDRAZONES Article Kovalchukova O.V., All TahanRana Abdulila Abbas, Zaitsev B.E., Strashinova S.B., Volyansky O.V., Kuznetsov D.N. Бутлеровские сообщения. Vol. 33. 2013. P. 69-73