The existance of nontrival solutions of Volterra equations.
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W. Mydlarczyk (1991)
Mathematica Scandinavica
W. Mydlarczyk (1992)
Mathematica Scandinavica
Wojciech Mydlarczyk (1996)
Annales Polonici Mathematici
We study the equation u = k∗g(u) with k such that ln k is convex or concave and g is monotonic. Some necessary and sufficient conditions for the existence of nontrivial continuous solutions u of this equation are given.
Gil', M.I. (2008)
Electronic Journal of Qualitative Theory of Differential Equations [electronic only]
Vorob'eva, E.V., Romanovskij, R.K. (2000)
Siberian Mathematical Journal
Karel Beneš (1985)
Acta Universitatis Palackianae Olomucensis. Facultas Rerum Naturalium. Mathematica
Bruno Pini (1953)
Rendiconti del Seminario Matematico della Università di Padova
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