INVESTIGATION OF THE PHASE FORMATION PROCESS&#x0D; DURING THE SYNTHESIS OF CERAMIC MATERIALS&#x0D; BASED ON MODIFIED YTTRIUM MANGANITE
Vestnik Polockogo gosudarstvennogo universiteta. Seriâ B. Prikladnye nauki/Vestnik Polockogo gosudarstvennogo universiteta. Seriâ B. Promyšlennostʹ, prikladnye nauki