TY - JOUR AU - Chryssoverghi, I. TI - Approximate gradient projection method with general Runge-Kutta schemes and piecewise polynomial controls for optimal control problems JO - Control and Cybernetics PY - 2005 SP - 425 EP - 451 VL - 34 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/CC_2005_34_2_a4/ LA - en ID - CC_2005_34_2_a4 ER -