Chagovets VK, Kapuza SS, Sokolov SS, Vrakina VA, Chagovets TV. Viscosity of concentrated superfluid mixtures ³He–⁴He when vibrating a quartz tuning fork. Fiz. Nyzk. Temp. [інтернет]. 21, Липень 2022 [цит. за 11, Листопад 2025];48(9):757–763. доступний у: http://80.92.230.95/index.php/fnt/article/view/8872