Bugaev К., O. Ivanytskyi, B. Grinyuk, and I. Yakimenko, “Bose–Einstein Condensation as a Deposition Phase Transition of Quantum Hard Spheres and New Relations between Bosonic and Fermionic Pressures”, Ukr. J. Phys., vol. 65, no. 11, p. 963, Nov. 2020.