S. V. R. Naidu, K. P. R. Rao, N. Srinivasa Rao, "On the concepts of balls in a -metric space", International Journal of Mathematics and Mathematical Sciences, vol. 2005, Article ID 393509, 9 pages, 2005. https://doi.org/10.1155/IJMMS.2005.133
On the concepts of balls in a -metric space
The various concepts of open balls in -metric spaces are studied in the case of certain -metric spaces and many results in the literature on such balls are shown to be false.
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