TY - CPAPER AU - Tadeusz Czachórski AU - Ferhan Pekergin BT - Proc. of International Network Optimization Conference, INOC'03, Oct. 27-29, 2003 Evry, France LA - eng PY - 2003 T2 - Proc. of International Network Optimization Conference, INOC'03, Oct. 27-29, 2003 Evry, France TI - Diffusion approximation: modelling transient flows of multiclass queueing networks ER -