Cite
On properties of four IFS operators
MLA
Li, Deng-Feng, et al. “On Properties of Four IFS Operators.” Fuzzy Sets & Systems, vol. 154, no. 1, Aug. 2005, pp. 151–55. EBSCOhost, https://doi.org/10.1016/j.fss.2005.03.004.
APA
Li, D.-F., Shan, F., & Cheng, C.-T. (2005). On properties of four IFS operators. Fuzzy Sets & Systems, 154(1), 151–155. https://doi.org/10.1016/j.fss.2005.03.004
Chicago
Li, Deng-Feng, Feng Shan, and Chun-Tian Cheng. 2005. “On Properties of Four IFS Operators.” Fuzzy Sets & Systems 154 (1): 151–55. doi:10.1016/j.fss.2005.03.004.