TY - JOUR T1 - Casimir effect for a massive scalar field under mixed boundary conditions JO - Brazilian Journal of Physics A1 - Pinto, A.C. Aguiar A1 - Britto, T.M. A1 - Bunchaft, R. A1 - Pascoal, F. A1 - Rosa, F.S.S. da SN - 0103-9733 UL - 10.1590/S0103-97332003000400042 VL - 33 Y1 - 2003 PB - Brasil ER -