[https://www.academia.edu/10775717/Pi_is_Transcendental_Von_Lindemann_s_Proof_Made_Accessible_to_Today_s_Undergraduates (PDF) Pi is Transcendental: Von Lindemann's Proof Made Accessible to Today's Undergraduates, Randy K. Schwartz (academia.edu)] | [https://www.academia.edu/10775717/Pi_is_Transcendental_Von_Lindemann_s_Proof_Made_Accessible_to_Today_s_Undergraduates (PDF) Pi is Transcendental: Von Lindemann's Proof Made Accessible to Today's Undergraduates, Randy K. Schwartz (academia.edu)] |