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Publicado en línea: 20 jul 2018
Páginas: 27 - 45
Recibido: 10 nov 2016
Aceptado: 23 mar 2017
DOI: https://doi.org/10.1515/udt-2018-0002
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© 2018 Anshika Srivastava et al., published by Sciendo
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.
Srivastava, Anshika
Department of Mathematics, Indian Institute of Technology PatnaPatna, India
Pandey, Ram Krishna
Department of Mathematics, Indian Institute of Technology RoorkeeRoorkee, India
Prakash, Om
Department of Mathematics, Indian Institute of Technology PatnaPatna, India