References
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- KATZ , S. , 1962 , J. Electron. Contr. , 13 , 179 .
- PONTBYAGIN , L. S. , et al., 1962 , The Mathematical Theory of Optimal Processes ( New York John Wiley & Sons ).
- BOZONOER , L. I. , 1959 , Automatika i Telemekh , 20 , I , II and III , 1320 , 1441 , 1561 . (English translation in Automation and Remote Control, 20, I,II and III, 1288,1405, 1517 (1959).)
- †Communicated by Professor Westcott. The research herein reported is made possible through support received from the Departments of Army, Navy and Air Force under grant AF-AEOSR-139-63 ; and NASA grant NSG 354.