Et-Taoui, Boumediene. "Equi-isoclinic planes in Euclidean even dimensional spaces" Advances in Geometry, 7.3 (2007): 379-384. Retrieved 27 May. 2013, from doi:10.1515/ADVGEOM.2007.023

Et-Taoui, B. (2007). Equi-isoclinic planes in Euclidean even dimensional spaces. Advances in Geometry, 7(3), pp. 317-474. Retrieved 27 May. 2013, from doi:10.1515/ADVGEOM.2007.023

Et-Taoui, Boumediene. 2007. Equi-isoclinic planes in Euclidean even dimensional spaces. Advances in Geometry. 7(3): 317-474. Retrieved 27 May. 2013, from doi:10.1515/ADVGEOM.2007.023