Differential games and related topics. Ed. by H. W. Kuhn and G. P. Szegö. Kuhn, Harold W. (Harold William), 1925- ed. Szegö, G. P., ed. Differential games. QA269 .D48 519.38 KUD Proceedings of an international summer school, Varenna, 1970. Includes bibliographies. Amsterdam, North-Holland Pub. Co., 1971. 1971. 1971 Text x, 489 p. ; eng