TY - JOUR AU - A. Sołtysiak AU - S. Szufla TI - Existence theorems for \(L_\varphi\)-solutions of the Hammerstein integral equation in Banach spaces JO - Commentationes Mathematicae PY - 1990 SP - 177 EP - 190 VL - 30 IS - 1 UR - http://geodesic.mathdoc.fr/articles/10.14708/cm.v30i1.6305/ DO - 10.14708/cm.v30i1.6305 LA - pl ID - 10_14708_cm_v30i1_6305 ER -