%S Lecture Notes in Control and Information Sciences
%A A.B. Kurzhanski
%A I. Valyi
%T Set valued solutions to control problems and their approximations
%P 775-785
%B Analysis and Optimization of Systems
%E A. Bensoussan
%E J.L. Lions
%V 111
%C Germany
%D 1988
%I Springer Berlin Heidelberg
%R doi:10.1007/BFb0042263
%L iiasa14151