1. Differential Games and Optimal Pursuit-Evasion Strategies,;Baron,1966
2. A Variational Approach to Differential Games,;Berkovitz,1964
3. Necessary Conditions for Optimal Strategies in a Class of Differential Games and Control Problems,;Berkovitz;SIAM J. on Control,1967
4. Toward a Theory of Many Player Differential Games,;Case;SIAM J. on Control,1969
5. Differential Games and Optimal Pursuit-Evasion Strategies,;Ho;IEEE Trans. Automatic Control,1965