TY - JOUR AU - Infante, Gennaro AU - Pietramala, Paolamaria TI - Perturbed Hammerstein integral inclusions with solutions that change sign JO - Commentationes Mathematicae Universitatis Carolinae PY - 2009 SP - 591 EP - 605 VL - 50 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/CMUC_2009__50_4_a8/ LA - en ID - CMUC_2009__50_4_a8 ER -