VELOCITY AND ABSORPTION OF SECOND SOUND IN SUPERFLUID SOLUTIONS OF 3He-4 He L. S. Dikina, G. Ya. Kotenev et E. Ya. RudavskyJ. Phys. Colloques, 39 C6 (1978) C6-146-C6-147DOI: https://doi.org/10.1051/jphyscol:1978665