TY - JOUR AU - R. Boucekkine AU - B. Martinez AU - J.R. Ruiz-Tamarit TI - Optimal Sustainable Policies Under Pollution Ceiling: the Demographic Side JO - Mathematical modelling of natural phenomena PY - 2014 SP - 38 EP - 64 VL - 9 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.1051/mmnp/20149404/ DO - 10.1051/mmnp/20149404 LA - en ID - MMNP_2014_9_4_a3 ER -