V. G. Boltjanskiĭ, R. V. Gamkrelidze, L. S. Pontryagin, The theory of optimal processes. I. The maximum principle

Title: The theory of optimal processes. I. The maximum principle
Authors: V. G. Boltjanskiĭ, R. V. Gamkrelidze, L. S. Pontryagin
Journal title: Amer. Math. Soc. Transl. (2)
Year: 1961
Volume: 18
Pages: 341–382