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\begin{center}{\large\textsc{ T\'{i}tulo do seu trabalho}}\\
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Coloque aqui o nome dos autores\footnote{Universidade de origem, email, financiamento (FAPESP, CNPq, CAPES, etc) se tiver.} 

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Escreva seu resumo aqui, n\~{a}o ultrapassando uma p\'{a}gina contando com as refer\^{e}ncias.\ Por favor, n\~{a}o modifique a formata\c{c}\~{a}o do arquivo.

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\textsc{Refer\^{e}ncias}

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[1] Dai, F.; Ditzian, Z., \textit{{Combinations of multivariate averages}}.\ J. Approx. Theory \textbf{131} (2004), no. 2, 268--283.\\


[2] Jord\~{a}o, T.; Sun, Xingping, {\textit{General types of spherical mean operator and $K$-functionals of fractional orders}}.\ Commun. Pure Appl. Anal. \textbf{14} (2015), no. 3, 743--757.


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