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Higher order nonlinear degenerate differential operator equations
(Elsevier BV, 2009-10-01)
Constant-sign solutions for systems of singular integral equations of hammerstein type
(Elsevier BV, 2009-10-01)
A note on the degree for maximal monotone mappings in finite dimensional spaces
(Elsevier BV, 2009-11-01)
A selection of oscillation criteria for second-order differential inclusions
(Elsevier BV, 2009-02-01)