Zaremba О.І., N.O. Filipenko, Horin А.М., and R.E. Gladyshevski. “Phases With Perovskite Structure in the A-R-Mn-O Systems, Where A - Alkali-Earth Metal, R - Rare-Earth Metal”. Reports of the National Academy of Sciences of Ukraine, no. 8 (April 21, 2024): 69–77. Accessed November 2, 2024. https://nasu-periodicals.org.ua/index.php/dp/article/view/2453.