01024nam0-22003371i-450-9900013338604033210-8176-3742-7000133386FED01000133386(Aleph)000133386FED0100013338620000920d1995----km-y0itay50------baengTopological Nonlinear AnalysisDegree, singularity, and variationsEditors Michele Matzeu, Alfonso Vignoli.Boston [MA]Birkhauserc1995.ix, 531 p.24 cmProgress in nonlinear differential equations and their applications15Analisi funzionale non lineareTopologia algebrica515.355Matzeu,MicheleVignoli,AlfonsoITUNINARICAUNIMARCBK990001333860403321C-17-(1513473MA1MA147HXXTopological Nonlinear Analysis376001UNINAING01