Download or read book Some Questions in the Theory of Oscillations and the Theory of Optimal Control written by R. V. Gamkrelidze and published by American Mathematical Soc.. This book was released on 1993 with total page 196 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book contains two fundamental papers. The first is, in essence, a short monograph devoted to the theory of periodic motions in singularly perturbed systems. The second deals with structural properties of the solutions of a system having infinitely many switchings on a finite time interval to Hamiltonian systems with discontinuous right-hand side.