Ather D, Saxena AK, Agarwal AK. A Simplified Solution To Design DFA That Accept Strings Over input symbol { a, b} Having At Least x Number Of A And Exactly x Number Of B. matrix [Internet]. 2014Feb.4 [cited 2026May15];2(2):1-. Available from: https://www.maiojet.com/index.php/matrix/article/view/16