1. Integrals of set-valued functions;Aumann;J. Math. Anal. Appl.,1965
2. Quantitative and Qualitative Games;Blaquière,1969
3. Vorlesungen über reele Funktionen;Carathéodory,1918
4. Differential equations with discontinuous right-hand side (in Russian);Filippov;Mat. Sb.,1960
5. Discontinuous Automatic Control;Flügge-Lotz,1953