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Acta Universitatis Apulensis Acta universitatis Apulensis (2016) -
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Iranian Journal of Mathematical Chemistry 4 (2014) -
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Kyungpook Mathematical Journal 54 (2014) 0-0
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Computer Physics Communications 184 (2013) -
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Journal of Mathematics and Applications 35 (2012) -
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Acta Universitatis Apulensis 30 (2012) -
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Acta Universitatis Apulensis 27 (2011) -
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Acta Universitatis Apulensis 27 (2011) -
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