On the topology of D-metric spaces and generation of D-metric spaces from metric spaces. - Sakuru V. R. Naidu; K. P. R. Rao; N. Srinivasa Rao (Int. J. Math. Math. Sci., 2004)

On the concepts of balls in a D-metric space. - Sakuru V. R. Naidu; K. P. R. Rao; N. Srinivasa Rao (Int. J. Math. Math. Sci., 2005)

On convergent sequences and fixed point theorems in D-metric spaces. - Sakuru V. R. Naidu; K. P. R. Rao; N. Srinivasa Rao (Int. J. Math. Math. Sci., 2005)

Common Coupled Fixed-Point Theorems in Generalized Fuzzy Metric Spaces. - K. P. R. Rao; Ishak Altun; S. Hima Bindu (Adv. Fuzzy Syst., 2011)