TY - JOUR AU - W. OkrasiƄski TI - On a nonlinear convolution equation occurring in the theory of water percolation JO - Annales Polonici Mathematici PY - 1980 SP - 223 EP - 229 VL - 37 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/ap-37-3-223-229/ DO - 10.4064/ap-37-3-223-229 LA - en ID - 10_4064_ap_37_3_223_229 ER -