THE CYCLE DESTRUCTION DURING COMPLEX FORMATION OF 4-SALICYLIDENEAMINO-3-HYDRAZINO-5-MERCAPTO-1,2,4-TRIAZOLE WITH NI (II) IONS Статья Fatullayeva P.A., Medjidov A.A., Mamedov I.M., Dorovatovskiy P.V., Zubavichus J.V., Khrustalev V.N., Ismayilov R.H. Journal of the Chemical Society of Pakistan. Chemical Society of Pakistan. Том 42. 2020. С. 762-766