Two-component jet simulations - I. Topological stability of analytical MHD outflow solutionsT. Matsakos, K. Tsinganos, N. Vlahakis, S. Massaglia, A. Mignone and E. TrussoniA&A, 477 2 (2008) 521-533DOI: https://doi.org/10.1051/0004-6361:20077907