On the functional equation φ(x)+φ[f(x)]=F(x)
M. Kuczma (1959)
Annales Polonici Mathematici
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M. Kuczma (1959)
Annales Polonici Mathematici
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M. Kuczma (1961)
Annales Polonici Mathematici
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I. Burkill (1924)
Fundamenta Mathematicae
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The object of the present paper is to investigate the possible values of the derivates of a function g(I) (where I is given interval), assuming that ∫_{R}g(I) exists.
Tadeusz Świątkowski (1966)
Fundamenta Mathematicae
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J. Kordylewski, M. Kuczma (1959)
Annales Polonici Mathematici
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J. Kordylewski, M. Kuczma (1962)
Annales Polonici Mathematici
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M. Kuczma (1960)
Annales Polonici Mathematici
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J. Kordylewski (1961)
Annales Polonici Mathematici
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J. Kordylewski, M. Kuczma (1960)
Annales Polonici Mathematici
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