A Gregus type common fixed point theorem in normed spaces with applications. Pathak, Hemant Kumar; Tiwari, Rakesh — 2011 Banach Journal of Mathematical Analysis [electronic only]
A common fixed point theorem satisfying integral type implicit relations. Pathak, Hemant Kumar; Tiwari, Rakesh; Khan, Mohammad Saeed — 2007 Applied Mathematics E-Notes [electronic only]
Common fixed point theorems and applications. Pathak, Hemant Kumar; Chang, Shih Sen; Cho, Yeol Je; Jung, Jong Soo — 1997 International Journal of Mathematics and Mathematical Sciences