Softening of the interactions between surfactant bilayers in a lamellar phase due to the presence of a polymer E. Freyssingeas, D. Antelmi, P. Kékicheff, P. Richetti and A.-M. Bellocq Eur. Phys. J. B, 9 1 (1999) 123-136 Published online: 15 May 1999 DOI: 10.1007/s100510050748