%0 Book Section %A Li, Wen-Ching Winnie %T Number theoretic constructions of Ramanujan graphs %B Columbia university number theory seminar - New-York, 1992 %A Collectif %S Astérisque %D 1995 %P 101-120 %N 228 %I Société mathématique de France %U http://archive.numdam.org/item/AST_1995__228__101_0/ %G en %F AST_1995__228__101_0