Spectroastrometry of rotating gas disks for the detection of supermassive black holes in galactic nuclei - I. Method and simulationsA. Gnerucci, A. Marconi, A. Capetti, D. J. Axon and A. RobinsonA&A, 511 (2010) A19DOI: https://doi.org/10.1051/0004-6361/200912530
