%0 Journal Article %A W. OkrasiƄski %T On a nonlinear convolution equation occurring in the theory of water percolation %J Annales Polonici Mathematici %D 1980 %P 223-229 %V 37 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/ap-37-3-223-229/ %R 10.4064/ap-37-3-223-229 %G en %F 10_4064_ap_37_3_223_229