Positive solutions of integrodifferential equations.
Philos, Ch.G. (1993)
Journal of Applied Mathematics and Stochastic Analysis
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Philos, Ch.G. (1993)
Journal of Applied Mathematics and Stochastic Analysis
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Chiou, Kuo-Liang (1982)
International Journal of Mathematics and Mathematical Sciences
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Božena Mihalíková (1990)
Mathematica Slovaca
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Sotiris K. Ntouyas, Panagiotis Ch. Tsamatos (2000)
Mathematica Slovaca
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Marko Švec (1974)
Czechoslovak Mathematical Journal
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Rogovchenko, Svetlana P., Rogovchenko, Yuri V. (2000)
Portugaliae Mathematica
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S. Staněk (1992)
Annales Polonici Mathematici
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A differential equation of the form (q(t)k(u)u')' = λf(t)h(u)u' depending on the positive parameter λ is considered and nonnegative solutions u such that u(0) = 0, u(t) > 0 for t > 0 are studied. Some theorems about the existence, uniqueness and boundedness of solutions are given.