Ordinary Differential Equations

By L. S. Pontryagin, A. J. Lohwater

General Topology I

By L. S. Pontryagin, V. V. Fedorchuk, A. V. Arkhangel Skii, D. B. O Shea

General Topology I

By L. S. Pontryagin, A. V. Arkhangel Skii, D. B. O Shea

General Topology I

By L. S. Pontryagin, V. V. Fedorchuk, A. V. Arkhangel Skii, D. B. O Shea

This is the first of the encyclopaedia volumes devoted to general topology. It has two parts. The first outlines the basic concepts and constructions of general topology, including several topics w...

Optimal Control and Differential Games: Collection of Papers

By L. S. Pontryagin