c-director relaxation around a vortex of strength +1 in free-standing smectic-C films A. Eremin, Ch. Bohley and R. Stannarius Eur. Phys. J. E, 21 1 (2006) 57-67 Published online: 09 November 2006 DOI: 10.1140/epje/i2006-10046-8