Beckmann, M. E. b. (1969). Computing methods in optimization problems. Springer - Verlag.
Dyfyniad Arddull ChicagoBeckmann, M Ed. by. Computing Methods in Optimization Problems. New york: Springer - Verlag, 1969.
Dyfyniad MLABeckmann, M Ed. by. Computing Methods in Optimization Problems. Springer - Verlag, 1969.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.