1
Introductory calculus : maxima, minima, and special functions [E-Book] /
2
The study of minimax inequalities and applications to economies and variational inequalities [E-Book] /
3
Maximum and Minimum Principles [E-Book] : A Unified Approach with Applications /
4
Theory of extremal problems [E-Book] /
5
The existence of value in differential games [E-Book] /