@incollection{AST_1995__228__101_0,
     author = {Li, Wen-Ching Winnie},
     title = {Number theoretic constructions of {Ramanujan} graphs},
     booktitle = {Columbia university number theory seminar - New-York, 1992},
     series = {Ast\'erisque},
     pages = {101--120},
     publisher = {Soci\'et\'e math\'ematique de France},
     number = {228},
     year = {1995},
     mrnumber = {1330930},
     zbl = {0844.11076},
     language = {en},
     url = {http://archive.numdam.org/item/AST_1995__228__101_0/}
}