01032nam2-2200337li-450 99000333810020331620180918155405.0000333810USA01000333810(ALEPH)000333810USA010003338102002009101975-------y0itay0103----baengUSSingular optimal control problemsDavid J. Bell, David H. JacobsonNew YorkAcademic Press1975XI, 190 p.ill.24 cmMathematics in science and engineering1170010003335932001Mathematics in science and engineering117Matematica510BELL,David J.120828JACOBSON,David H.14360ITsalbcISBD990003338100203316510 MSE (117)2712/CBS51000111348BKSCIRSIAV69020091022USA010916Singular optimal control problems1511920UNISA