% a sample .bib file - mostly you should get the code for your references from mathscinet on the ams website
 
 @BOOK{GG,
 	author = "George Gr{\"a}tzer",
	title = "Math into {L}a{T}e{X}",
	publisher = "Birk{\"a}user",
	address = "Boston",
	year = "2000",
	}