ZULFIGAROV, A. O.; ANDRIIKO, A. A.; KOVALCHYK, S. V.; GREBENYUK, A. G.; KUZEVANOVA, I. S.; POTASKALOV, V. A. Spectroscopic study of complex compounds of cobalt(III) - nikel(II) with monoethanolamine. V. N. Karazin Kharkiv National University Bulletin. Chemical series, n. 28, p. 90-95, 26 Jun. 2017.