ANALYSIS OF THE CRITICAL TEMPERATURE OF SUPERCONDUCTOR SAMPLES BASED ON Bi1,7Pb0,3Sr2Ca(n-1)Cu(n)Oy (n=9-20) PRECURSORS OBTAINED IN A LARGE SOLAR FURNACE. ICMSS. Published online September 15, 2025:6-9. Accessed May 17, 2026. https://econfseries.com/index.php/5/article/view/2829