Structure and electronic properties of hollow-caged C60 fullerene-derived (MN4)nC6(10-n) (M = Zn, Mg, Fe, n=1-6) complexes / V. A. Pomogaev, P. V. Avramov, A. A. Kuzubov, V. Y. Artyukhov // International journal of quantum chemistry. 2015. Vol. 115, № 4. P. 239-244. URL: http://vital.lib.tsu.ru/vital/access/manager/Repository/vtls:000519929