TY - BOOK AU - Schwarzkopf A B Ed. AU - Eliason S B Ed. AU - Kelley W G Ed. ED - Conference on optical control and differential equations (1977 : University of Oklahoma) TI - Proceeding on Optimal control and differential equations U1 - B33p1,N77, L81 PY - 1978/// CY - New York PB - Academic Press KW - Differential equations ER -