On coupling between the orientation and the shape of a vesicle under a shear flowM.-A. Mader, H. Ez-Zahraouy, C. Misbah and T. PodgorskiEur. Phys. J. E, 22 4 (2007) 275-280DOI: https://doi.org/10.1140/epje/e2007-00029-6