Vakarchuk, I. O., O. I. Hryhorchak, V. S. Pastukhov, and R. O. Prytula. “Effective Mass of 4He Atom in Superfluid and Normal Phases”. Ukrainian Journal of Physics 61, no. 1 (January 8, 2019): 29. Accessed March 29, 2024. https://ujp.bitp.kiev.ua/index.php/ujp/article/view/2019125.