%0 Journal Article %A A. Pliƛ %T The problem of non-local existence for solutions of a linear partial differential equation of the first order %J Annales Polonici Mathematici %D 1955 %P 271-293 %V 2 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/ap-2-2-271-293/ %R 10.4064/ap-2-2-271-293 %G en %F 10_4064_ap_2_2_271_293