Bell, D. J. 1913- Singular optimal control problems / David J. Bell and David H. Jacobson. - xi, 190 pages : illustrations; 24 cm. - Mathematics in science and engineering ; v. 117 . Includes bibliographies and indexes. ISBN: 0120850605 : £5.80 LCCN: 75021610 Nat. Bib. No.: GB75-30505 Subjects--Topical Terms: Control theory.Mathematical optimization. LC Class. No.: QA402.3 / .B38 Dewey Class. No.: 629.8312