A methodology for studying physical and dynamical properties of multiple stars. Application to the system of red dwarfs Gl 22J. A. Docobo, V. S. Tamazian, Y. Y. Balega, M. Andrade, D. Schertl, G. Weigelt, P. Campo and M. PalaciosA&A, 478 1 (2008) 187-191DOI: https://doi.org/10.1051/0004-6361:20078594