Open Science Research Excellence
Chen Wu and  Lijuan Wang,  Invariant Characters of Tolerance Class and Reduction under Homomorphism in IIS.   journal   = {International Journal of Mathematical, Computational, Physical, Electrical and Computer Engineering}, [online]. World Academy of Science, Engineering and Technology. March 2017, vol. 123(3). 135 - 139[viewed 22 March 2019]. Available from: http://waset.org/publications/10008418.