THERMODYNAMICS OF SECOND ORDER PHASE TRANSITIONS IN A MOLECULAR FIELD THEORY FOR INHOMOGENEOUS SYSTEMS : PROXIMITY SANDWICHES A. M. Cucolo et S. PaceJ. Phys. Colloques, 39 C6 (1978) C6-484-C6-485DOI: https://doi.org/10.1051/jphyscol:19786216