hello, i forgot something yesterday : this message is given by lyx when i compile my lyx file kpse status = 512 kpse result = `' style = `' data = `/users/laih2/ymorere/lyx/these/theorems/bib_papier.bib' but when i try to insert a reference it replies : kpse status = 512 kpse result = `' Bibfile: it seems not to recognize my bib file isn't it. Yann -- "Y faut liiirrreee, Arlequin, Champion de l'amourrrr" Dany Boon --------------------------------------------------------------- Yann MORERE [EMAIL PROTECTED] Doctorant Automatique http://www.multimania.com/ymorere/