Errata - Reflection function of a plane sound wave in a cylindrical tube J.D. Polack, X. Meynial, J. Kergomard, C. Cosnard et M. BruneauRev. Phys. Appl. (Paris), 22 11 (1987) 1599DOI: https://doi.org/10.1051/rphysap:0198700220110159900