Critical temperature for first-order phase transitions in confined systems C. A. Linhares, A. P.C. Malbouisson, Y. W. Milla and I. Roditi Eur. Phys. J. B, 60 3 (2007) 353-362 Published online: 22 December 2007 DOI: 10.1140/epjb/e2007-00355-4