Châu, Trần Thọ. “Some Characterizations of Computation and Complexity over the Real Numbers and Other Algebraic Structures”. Journal of Computer Science and Cybernetics 19, no. 3 (July 27, 2012): 201–216. Accessed July 18, 2024. https://vjs.ac.vn/index.php/jcc/article/view/1527.