On convergent sequences and fixed point theorems in D -metric spaces. Naidu, S.V.R.; Rao, K.P.R.; Rao, N.Srinivasa — 2005 International Journal of Mathematics and Mathematical Sciences
Related fixed point theorems in fuzzy metric spaces. Rao, K.P.R.; Aliouche, Abdelkrim; Babu, G.Ravi — 2008 The Journal of Nonlinear Sciences and its Applications
On the concepts of balls in a D -metric space. Naidu, S.V.R.; Rao, K.P.R.; Srinivasa Rao, N. — 2005 International Journal of Mathematics and Mathematical Sciences
On the topology of D -metric spaces and generation of D -metric spaces from metric spaces. Naidu, S.V.R.; Rao, K.P.R.; Srinivasa Rao, N. — 2004 International Journal of Mathematics and Mathematical Sciences