Kadelburg, Z., Nashine, H. K. K., Padhan, S. K. K., & Rao, G. J. J. J. (2017). Fixed point results in b-metric spaces using families of control functions and their application to dynamic programming. Nonlinear Analysis: Modelling and Control, 22(5), 719-737. https://doi.org/10.15388/NA.2017.5.9