@incollection {121607,
	title = {Alternative mathematics: the vague way.},
	booktitle = {Festschrift in honor of {N}ewton {C}.{A}. da {C}osta on the occasion of his seventieth birthday},
	volume = {125},
	year = {2000},
	pages = {19{\textendash}31},
	publisher = {Kluwer Academic},
	isbn = {N/A},
	author = {Van Bendegem, Jean Paul},
	editor = {Krause, D{\'e}cio and French, Steven and Doria, Francisco A.}
}
