Abstract.
This paper att empts to give a unified approach to the existing three types of variational principles for vector valued functions: A. B. Nemeth (1986), Chr. Tammer (1992) and G. Isac (1996). Some of the results we obtain are variants of the authors' mentioned above. Some are even stronger than theirs.
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Received June 1997 / Revised version October 1997
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Chen, G., Huang, X. A unified approach to the existing three types of variational principles for vector valued functions. Mathematical Methods of OR 48, 349–357 (1998). https://doi.org/10.1007/s001860050032
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DOI: https://doi.org/10.1007/s001860050032