%0 Journal Article %A W. Mlak %A E. Schechter %T On the Chaplighin method for partial differential equations of the first order %J Annales Polonici Mathematici %D 1969 %P 1-18 %V 22 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/ap-22-1-1-18/ %R 10.4064/ap-22-1-1-18 %G en %F 10_4064_ap_22_1_1_18