01138nam0-22003731i-450-99000136317040332120141114131548.00-8176-3886-5000136317FED01000136317(Aleph)000136317FED0100013631720001205d1997----km-y0itay50------baengTopological Nonlinear Analysis IIdegree, singularities and variationsEditors Michele Matzeu, Alfonso Vignoli.Boston [MA]Birkhauserc1997vi, 601 p.25 cmProgress in nonlinear differential equations and their applications27Equazioni differenziali ordinarieEquazioni differenziali parzialiTeoria degli operatori515.355Matzeu,MicheleVignoli,AlfonsoITUNINAREICATUNIMARCBK990001363170403321C-17-(2715396MA1MA134-0635-0647-06Topological Nonlinear Analysis II375421UNINA