Annales Universitatis Paedagogicae Cracoviensis | Studia ad Didacticam Mathematicae Pertinentia > 2015 > 7 > 35-43
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journal ISSN : | 2450-341X , 2080-9751 |
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Bibliography
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Aczél, J.: 1948, On mean values, Bull. Amer. Math. Soc. 54(4), 392-400.
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Aczel, J., Dhombres, J.: 1989, Functional equation in several variables, Vol. 31, Cambridge Univ. Press, Cambridge-New York-Rochelle-Melbourne-Sydney.
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Galwani, L.: 1927, Dei limiti a cui tendono alcune media, Boll. Un. Math. Ital. 6, 173-179.