1. Pontryagin, L. S., Boltyanskii, V. G., Gamkrelidze, R. V., and Mishchenko, E. F., The Mathematical Theory of Optimal Processes, English translation by Interscience Publishers, Inc., New York, 1962.
2. Rozonoer, L. I., Pontryagin’s Maximum Principle in the Theory of Optimum Systems, Parts I–III, “Automation and Remote Control,” Volume 20, Issues 10–12.
3. Smol’nikov, B. A., Optimum Braking Regimes of Rotational Motion of a Symmetric Body, “PMM,” Volume 20, No. 4, 1964.
4. Athans, M. and Falb, P. L., Time-Optimal Velocity Control of a Spinning Space Body, IEEE Transactions on Applic. and Ind., No. 67, pp. 206-213, 1963.
5. Flugse-Lotz, I. and Marbach, H., The Optimal Control of Some Attitude Systems for Different Performance Criteria, “Transaction of the ASME Journal of Basic Engineering,” June, 1963.