Softening of the interactions between surfactant bilayers in a lamellar phase due to the presence of a polymerE. Freyssingeas, D. Antelmi, P. Kékicheff, P. Richetti and A.-M. BellocqEur. Phys. J. B, 9 1 (1999) 123-136DOI: https://doi.org/10.1007/s100510050748