共 16 条
[1]
Arya S. P., 2001, MATH STUDENT, V70, P231
[2]
Arya S. P., 2001, MATH STUDENT, V70, P241
[4]
Benchalli S. S., 2010, J COMPUTER MATH SCI, V1, P103
[5]
BenchaUi S.S., 2010, Journal of Computer and Mathematical Sciences, V1, P696
[8]
Das N.R., 1995, J. Fuzzy Math., V3, P777
[9]
Ganguly S., 1984, B CAL MATH SOC, V76, P304