TY - JOUR AU - A. Pliƛ TI - The problem of non-local existence for solutions of a linear partial differential equation of the first order JO - Annales Polonici Mathematici PY - 1955 SP - 271 EP - 293 VL - 2 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/ap-2-2-271-293/ DO - 10.4064/ap-2-2-271-293 LA - en ID - 10_4064_ap_2_2_271_293 ER -