Mots-clés:
1990, ABEL, ALGEBRES DE LIE, BOREL, BRIOSCHI, CONGRES ET CONFERENCES, EN, EQUATIONS DIFFERENTIELLES ORDINAIRES, FORSYTH, GALOIS, GAMBIER, HALPHEN, HEISENBERG, KRAUSE, LAGUERRE, LEACH, LIE, MICHEL, MOHAMED, PAINLEVE, PREPUBLICATION, RICCATI, TRESSE