Petrenko EV, Omelchenko LV, Terekhov AV, Kolesnichenko YA, Rogacki K, Sergeyev DM, Solovjov AL. Temperature dependence of upper critical fields and coherence lengths for optimally-doped YBa₂Cu₃O_7–δ thin films. Fiz. Nyzk. Temp. [інтернет]. 25, Серпень 2022 [цит. за 10, Листопад 2025];48(10):856–864. доступний у: http://80.92.230.95/index.php/fnt/article/view/8888