Sh.E. Kekutia and N.D. Chkhaidze, Equations of motions and velocities of longitudinal waves for superfluid ³He-A filled aerogel in the presence of finite magnetic field, Low Temp. Phys. 34, (2008) [Fiz. Nizk. Temp. 34, 215-218, (2008)] DOI: https://doi.org/10.1063/1.2889399.