TY - JOUR AU - Stefan Bal TI - Convergence of a difference method for a system of first order partial differential equations of hyperbolic type JO - Annales Polonici Mathematici PY - 1974 SP - 19 EP - 36 VL - 30 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/ap-30-1-19-36/ DO - 10.4064/ap-30-1-19-36 LA - en ID - 10_4064_ap_30_1_19_36 ER -