À propos de cet article
Publié en ligne: 31 mars 2018
Pages: 73 - 81
Reçu: 01 déc. 2016
Accepté: 06 mars 2017
DOI: https://doi.org/10.1515/auom-2017-0036
Mots clés
© 2018
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.
Kinkar Ch. Das
Department of Mathematics, Sungkyunkwan University,Suwon, Republic of Korea
Carlos M. da Fonseca
Department of Mathematics, Kuwait University,Safat, Kuwait
University of Primorska, FAMNIT, Glagoljaska 8, 6000Koper, Slovenia