@article{EP_2009_29_a0, author = {The Editors}, title = {Foreword}, journal = {ESAIM. Proceedings}, pages = {I--II}, publisher = {mathdoc}, volume = {29}, year = {2009}, doi = {10.1051/proc/2009050}, language = {en}, url = {http://geodesic.mathdoc.fr/articles/10.1051/proc/2009050/} }