TY - JOUR AU - Żak, B. TI - The problems of Collision Avoidance at Sea in the Formulation of Complex Motion Principles JO - International Journal of Applied Mathematics and Computer Science PY - 2004 SP - 503 EP - 514 VL - 14 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/IJAMCS_2004_14_4_a6/ LA - en ID - IJAMCS_2004_14_4_a6 ER -