The simulation of the outer Oort cloud formation - The first giga-year of the evolution P. A. Dybczyński, G. Leto, M. Jakubík, T. Paulech and L. Neslušan A&A, 487 1 (2008) 345-355 Published online: 04 June 2008 DOI: 10.1051/0004-6361:20078686