共 18 条
[1]
Akram M., 2007, QUASIGROUPS RELAT SY, V15, P201
[2]
Akram M., 2008, INT J FUZZY MATH, V6, P991
[3]
Akram M., 2007, SE ASIAN B MATH, V31, P843
[7]
BANERJEE B, 2003, J FUZZY MATH, V11, P139
[8]
Biswas R., 1989, Math. Forum, V10, P37
[9]
Chen WJ, 2010, INT J FUZZY SYST, V12, P330