American Psychological Association 6th edition

EHRGOTT, M., & RUZIKA, S. (2008). Improved ε-Constraint Method for Multiobjective Programming. Journal of Optimization Theory and Applications, 138(3), 375-396.

ISO-690 (author-date, English)

EHRGOTT, M and RUZIKA, S, 2008. Improved ε-Constraint Method for Multiobjective Programming. Journal of optimization theory and applications. 1 January 2008. Vol. 138, no. 3, p. 375-396.

Modern Language Association 9th edition

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Mohr Siebeck - Recht (Deutsch - Österreich)

EHRGOTT, M/RUZIKA, S: Improved ε-Constraint Method for Multiobjective Programming, Journal of optimization theory and applications 2008, 375-396.

Emerald - Harvard

EHRGOTT, M. and RUZIKA, S. (2008), “Improved ε-Constraint Method for Multiobjective Programming”, Journal of Optimization Theory and Applications, Vol. 138 No. 3, pp. 375-396.

Warning: These citations may not always be 100% accurate.