TY - JOUR AU - Agarwal, R. AU - O'Regan, D. AU - Sahu, D. TI - Fixed point theory for multivalued maps in Fréchet spaces via degree and index theory JO - Discussiones Mathematicae. Differential Inclusions, Control and Optimization PY - 2007 SP - 399 EP - 409 VL - 27 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DMDICO_2007_27_2_a9/ LA - en ID - DMDICO_2007_27_2_a9 ER -