//-->
Continuous optimization models
Eiselt, Horst A., (1987)
Methods of mathematical economics : linear and nonlinear programming, fixed-point theorems
Franklin, Joel N., (1980)
Methods of feasible directions : a study in linear and non-linear programming
Zoutendijk, Guus, (1960)
Operations research en automatisering
Zoutendijk, Guus, (1965)