@article{02212069,
title = {Optimal control for a nonlinear population dynamics problem.},
journal = {Portugaliae Mathematica. Nova S\'erie},
volume = {61},
year = {2005},
pages = {217-229},
zbl = {1082.92038},
language = {en},
url = {http://dml.mathdoc.fr/item/02212069}
}
Ouedraogo, Albert; Traore, Oumar. Optimal control for a nonlinear population dynamics problem.. Portugaliae Mathematica. Nova Série, Tome 61 (2005) pp. 217-229. http://gdmltest.u-ga.fr/item/02212069/