TY - JOUR AU - Kavian, Otared AU - Traoré, Oumar TI - Approximate controllability by birth control for a nonlinear population dynamics model JO - ESAIM: Control, Optimisation and Calculus of Variations PY - 2011 SP - 1198 EP - 1213 VL - 17 IS - 4 PB - EDP-Sciences UR - http://www.numdam.org/articles/10.1051/cocv/2010043/ DO - 10.1051/cocv/2010043 LA - en ID - COCV_2011__17_4_1198_0 ER -