THEORETICAL AND EXPERIMENTAL STUDY OF THE COORDINATION ABILITY OF 4,6-DIMETHYLPYRIMIDINYLHYDRAZONE DIACETYLMONOOXIME TOWARDS NI(II), MN(II), FE(III) AND CO(III) IONS СтатьяLukov V.V., Tsaturyan A.A., Tupolova Y.P., Popov L.D., Shcherbakov I.N., Lebedev V.E., Askalepova O.I., Lastovina T.A., Lazarenko V.A., Khustalev V.N., Poler J.C.New Journal of Chemistry. Том 44. 2020. С. 2146-2154