Computers and Intractability: A Guide to the Theory of NP-completeness
Michael R. Garey & David S. Johnson
Proofs: A Long-Form Mathematics Textbook
Jay Cummings
A First Course in Mathematical Modeling
Frank R. Giordano & Maurice D. Weir & William P. Fox
Filtering and System Identification: A Least Squares Approach
Michel Verhaegen & Vincent Verdult
Differential Equations and Linear Algebra, 4th Edition
Stephen W. Goode & Scott A. Annin