TY - JOUR AU - A. V. Borisov AU - A. A. Kilin AU - I. S. Mamaev TI - Reduction and chaotic behavior of point vortices on a plane and a sphere JO - Russian journal of nonlinear dynamics PY - 2005 SP - 233 EP - 246 VL - 1 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ND_2005_1_2_a5/ LA - ru ID - ND_2005_1_2_a5 ER -