11 | J. Jarczyk (dawniej: Błasińska-Lesk), Regularity theorem for a functional equation involving means, Publicationes Mathematicae Debrecen 75 (2009), 123-135.
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12 | J. Jarczyk (dawniej: Błasińska-Lesk), Invariance of quasi-arithmetic means with function weights, Journal of Mathematical Analysis and Applications 353 (2009), 134-140.
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13 | W. Jarczyk, J. Jarczyk (dawniej: Błasińska-Lesk), Lin Li, Weinian Zhang, Iterative roots of mappings with a unique set-value point, Publicationes Mathematicae Debrecen 75 (2009), 203-220.
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14 | J. Jarczyk (dawniej: Błasińska-Lesk), When Lagrangean and quasi-arithmetic means coincide, Journal of Inequalities in Pure and Applied Mathematics 8 Art. 71(2007).
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15 | J. Jarczyk (dawniej: Błasińska-Lesk), Invariance of weighted quasi-arithmetic means with continuous generators, Publicationes Mathematicae Debrecen 71 (2007), 279-294.
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16 | J. Jarczyk (dawniej: Błasińska-Lesk), J. Matkowski, Invariance in the class of weighted quasi-arithmetic means, Annales Polonici Mathematici 88 (2006), 39-51.
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17 | W. Jarczyk, J. Jarczyk (dawniej: Błasińska-Lesk), On a problem of N. Brillouët-Belluot, Aequationes Mathematicae 72 (2006), 198-200.
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18 | D. Głazowska, J. Jarczyk (dawniej: Błasińska-Lesk), J. Matkowski, An invariance of the geometric mean with respect to Stolarski mean-type mappings, Results in Mathematics 43 (2003), 42-55.
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