Bicua LL, Tayaben PR, Racca AP. An Iterative Process Applied to Equilateral Triangles Resulting to the Identity 1/3+1/9+1/27+…=1/2. isc [Internet]. 2019Aug.13 [cited 2024Jul.22];6(1):146. Available from: https://jurnal.unai.edu/index.php/isc/article/view/1207