共 14 条
[3]
[Anonymous], MATH JPN
[4]
Babu GVR, 2008, CARPATHIAN J MATH, V24, P8
[6]
Berinde V., 2004, Nonlinear Anal. Forum., V9, P43
[7]
Berinde V, 2008, CARPATHIAN J MATH, V24, P10
[10]
Jungck G., 1996, Far East J. Math. Sci, V4, P199