1. Gamkrelidze, R. V., andKharatishvili, G. L.,A Differential Game of Evasion with Nonlinear Control, SIAM Journal on Control Vol. 12, pp. 332?349, 1974.
2. Pontryagin, L. S.,A Linear Differential Game of Escape, Trudy Instituta Steklova, Vol. 112, pp. 30?63, 1971.
3. Kaskosz, B.,A Sufficient Condition for Evasion in a Nonlinear Game, Part 2, Control and Cybernetics, Vol. 7, pp. 39?50, 1978.
4. Kaskosz, B.,A Sufficient Condition for Evasion in a Nonlinear Game, Part 1, Control and Cybernetics, Vol. 7, pp. 5?15, 1978.
5. Kaskosz, B.,On a Nonlinear Evasion Problem, SIAM Journal on Control and Optimization, Vol. 15, pp. 661?673, 1977.