Schittkowski, K. (1980). Nonlinear programming codes: Information, tests, performance. Springer-Verlag.
Dyfyniad Arddull ChicagoSchittkowski, Klaus. Nonlinear Programming Codes: Information, Tests, Performance. Berlín: Springer-Verlag, 1980.
Dyfyniad MLASchittkowski, Klaus. Nonlinear Programming Codes: Information, Tests, Performance. Springer-Verlag, 1980.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.