@book {2054,
	title = {Penser l{\textquoteright}h{\'e}t{\'e}rog{\`e}ne},
	year = {1998},
	publisher = {Descl{\'e}e de Brouwer},
	organization = {Descl{\'e}e de Brouwer},
	isbn = {2220042804},
	author = {Ardoino, Jacques and de Peretti, Andr{\'e}}
}
