Nuclear star formation in the quasar PG1126-041 from adaptive optics assisted spectroscopy G. Cresci, R. Maiolino, A. Marconi, F. Mannucci and G. L. Granato A&A, 423 2 (2004) L13-L16 Published online: 06 August 2004 DOI: 10.1051/0004-6361:200400020