Zhou, S., Zhou, . S., & Gan, J. (2008). Extracting Takagi-Sugeno Fuzzy Rules with Interpretable Submodels via Regularization of Linguistic Modifiers. IEEE Transactions on Knowledge and Data Engineering, 21(8), pp. 1191-1204. doi:10.1109/TKDE.2008.208

Zhou, Shang-ming, Shang-Ming Zhou, and J.Q Gan. "Extracting Takagi-Sugeno Fuzzy Rules With Interpretable Submodels Via Regularization of Linguistic Modifiers." IEEE Transactions On Knowledge and Data Engineering 21, no. 8 (2008): 1191-1204.

Zhou, Shang-ming, Shang-Ming Zhou, and J.Q Gan. "Extracting Takagi-Sugeno Fuzzy Rules With Interpretable Submodels Via Regularization of Linguistic Modifiers." IEEE Transactions On Knowledge and Data Engineering 21.8 (2008): 1191-1204.