Boundary layer (shear-band) in frustrated viscoplastic flows T. Chevalier, S. Rodts, X. Chateau, J. Boujlel, M. Maillard and P. Coussot EPL, 102 4 (2013) 48002 Published online: 11 June 2013 DOI: 10.1209/0295-5075/102/48002