Rosen, Kenneth H.
Discrete mathematics and its applications / Kenneth H. Rosen,
McGraw-Hill, 1999
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Arfken, George B. (George Brown), 1922-
Mathematical methods for physicists/George B. Arfken, Hans J. Weber, Frank E. Harris
Academic Press, 2013
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Levy, Adam B.
The basics of practical optimization
Society for Industrial and Applied Mathematics, 2009
 eBooks
Fletcher, Roger
Practical methods of optimization : unconstrained optimization, Vol. 1
John Wiley & Sons, 1980
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Fletcher, Roger
Practical methods of optimization : constrained optimization, Vol2
John Wiley & Sons, 1981
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