@article {sweilam2000conjugate,
	title = {Conjugate gradient techniques for the optimal control evolution dam problem},
	journal = {Journal of Difference Equations and Applications},
	volume = {6},
	number = {4},
	year = {2000},
	note = {n/a},
	pages = {443{\textendash}460},
	publisher = {Taylor \& Francis},
	abstract = {n/a},
	author = {N.H. Sweilam}
}
