Handbook of enumerative combinatorics

Problems in real and functional analysis by Torchinsky, Alberto, author

Guerrilla analytics a practical approach to working with data by Ridge, Enda

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Mathematical analysis fundamentals by Bashirov, A. E.

Fixed point theory, variational analysis, and optimization

Combinatorial reasoning an introduction to the art of counting by DeTemple, Duane W., Webb, William 1944-

Problems and proofs in real analysis theory of measure and integration by Yeh, J (James)

A basic course in real analysis by Kumar, Ajit 1972-, Kumaresan, S.

Differential equations and complex analysis by Arora, Hari

Introductory mathematical analysis for business economics, and the life and social sciences by Haeussler, Ernest F.