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Publicado en línea: 04 mar 2019
Páginas: 329 - 339
Recibido: 28 ene 2018
DOI: https://doi.org/10.2478/ausm-2018-0025
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© 2018 Pulak Sahoo et al., published by Sciendo
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.
Sahoo, Pulak
Department of Mathematics, University of KalyaniIndia
Karmakar, Himadri
Department of Mathematics, University of KalyaniIndia