TY - JOUR AU - A. K. Cherkashin TI - Foreword JO - Mathematical modelling of natural phenomena PY - 2009 SP - 1 EP - 3 VL - 4 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.1051/mmnp/20094500/ DO - 10.1051/mmnp/20094500 LA - en ID - MMNP_2009_4_5_a0 ER -