Padmanabhan Balasubramanian and  Ryuta Arisaka,  A Set Theory Based Factoring Technique and Its Use for Low Power Logic Design.   journal   = {International Journal of Electrical and Computer Engineering}, [online]. World Academy of Science, Engineering and Technology.
    March 2007, vol. 3(3). 721 - 731
    [viewed 26 April 2024]. Available from: https://publications.waset.org/pdf/8758.