@TechReport{Optima_frequ_2012,
author = {Martin Schuler and Prisca Faure and S\'ebastien Munaf˛ and Antonin Danalet and Pierre Dessemontet },
title = {Am\'elioration de la qualit\'e de service et \'evolution de la fr\'equentation de CarPostal},
institution = {Transport and Mobility Laboratory, Ecole Polytechnique F\'ed\'erale de Lausanne},
number = {TRANSP-OR 121130},
year = {2012}
}