G. A. Kharadze, N. G. Suramlishvili, and G. E. Vachnadze, Small-amplitude oscillations of magnetization accompanying long-lived spin-precession in ³He-B, Low Temp. Phys. 23, (1997) [Fiz. Nizk. Temp. 23, 803-807, (1997)] DOI: https://doi.org/10.1063/1.593432.