Polanía Quiza, Luis Arturo, and Carlos Arturo Bohórquez Sánchez. “Historic Aspects of the Group Theory”. Paideia Surcolombiana, no. 7 (December 1, 1999): 67–71. Accessed July 3, 2024. https://journalusco.edu.co/index.php/paideia/article/view/997.