Kharlamova, I. M. .; Makhnach, L. V. .; Usenka, A. E. .; Korobko, E. V. .; Pankov, V. V. . Investigation of the Formation Features of the 2P RS Phase in Alumonickelates Sr3Ni2 – x AlxO7 – δ (0.5 ≤ X ≤ 0.75). Журнал Белорусского государственного университета. Химия 2023, No. 2, 22-28.