BURS1AN, V. E., ViKHNIN, V. S., & SOCHAVA, L. S. (1991). Microwave response in high-TV superconductors as a method of phase transition in the interacting fluxon system investigation. ФІЗИКА НИЗЬКИХ ТЕМПЕРАТУР, 17(9), 1068–1071. вилучено із https://fnt.ilt.kharkiv.ua/index.php/fnt/article/view/f17-1068e