@article {1989,
	title = {Convergence of unilateral problems for monotone operators},
	journal = {J. Analyse Math. 53 (1989), 269--289},
	number = {SISSA;126/88/M},
	year = {1989},
	publisher = {SISSA Library},
	url = {http://hdl.handle.net/1963/722},
	author = {Gianni Dal Maso and Anneliese Defranceschi}
}
