About this article
Published Online: Jul 14, 2017
Page range: 1 - 10
Received: Jun 07, 2016
DOI: https://doi.org/10.1515/puma-2015-0018
Keywords
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This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.
Callan, David
Department of Statistics University of Wisconsin Madison,Wisconsin, USA
Mansour, Toufik
Department of Mathematics University of Haifa, 3498838Haifa, Israel