New Oxygen- and Proton Conducting Materials La4Zn2Al2O11 and La4Zn2In2O11 With Perovskites-Type Structure / A. V. Obrubova, G. R. Salikhova, K. G. Belova, I. E. Animitsa // XXI Mendeleev Congress on general and applied chemistry, 9-13 September, 2019, Saint Petersburg : book of abstract in 6 volumes. - Saint Petersburg, 2019. - Vol. 3 : Physical chemistry of metallurgical processes. Energy efficiency, environmental safety and risk management of chemical industry. Chemical aspects of modern energetics and alternative enerhy resources. - 2019. - P. 430.