@article{1256049657,
author = {James, David A.},
title = {Polynomial and linear fractional factors of automorphy},
journal = {Illinois J. Math.},
volume = {20},
number = {4},
year = {1976},
pages = { 653-668},
language = {en},
url = {http://dml.mathdoc.fr/item/1256049657}
}
James, David A. Polynomial and linear fractional factors of automorphy. Illinois J. Math., Tome 20 (1976) no. 4, pp. 653-668. http://gdmltest.u-ga.fr/item/1256049657/