Microeconomic Theory: A Mathematical Approach
by James Mitchell Henderson (Author), Richard E. Quandt (Author)
website reference:
https://www.amazon.com/Microeconomic-Theory-Mathematical-Approach-Economics/dp/0070281017/ref=sr_1_1?s=books&ie=UTF8&qid=1480240958&sr=1-1&keywords=microeconomic+theory+henderson