%0 Journal Article %A Torrelli, Tristan %T On meromorphic functions defined by a differential system of order $1$ %J Bulletin de la Société Mathématique de France %D 2004 %P 591-612 %V 132 %N 4 %I Société mathématique de France %U http://www.numdam.org/articles/10.24033/bsmf.2475/ %R 10.24033/bsmf.2475 %G en %F BSMF_2004__132_4_591_0