Modelling interaction of relativistic and non-relativistic winds in binary system PSR B1259-63/SS2883 - II. Impact of magnetization and anisotropy of the pulsar wind - S. Bogovalov; D. Khangulyan; A. V. Koldoba; G. V. Ustyugova; F. A. Aharonian (Monthly Notices of the Royal Astronomical Society, 2012)