Browsing by Author "HEIKKILÄ, S."
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On discontinuous functional volterra integral equations and impulsive differential equations in abstract spaces
HEIKKILÄ, S.; O'REGAN, D. (Cambridge University Press (CUP), 2004-09-01)In this paper we apply fixed point results in ordered spaces to derive existence and comparison results for discontinuous functional integral equations of Volterra type in ordered Banach spaces. The results obtained are ...