4Jorge Verdejo Fiero,Miguel Peregrino Martinez,Jose A Rodriguez Cruz.Processing Schemes of Wet Sour Gas and Sweet Dry Gas in Oil Production Facilitied of Mexico.SPE 74385.
5Panso Y Papalmbors , Douglass J.Wilde.Principles of optimal design Modeling and Computatino[M]. London:Cambridge University Press, 1988,.
6S.S Rao.Optimization theory and application( Second Edition ) .Wiley eastern limited, 1984,43-76.