[1]
P. Csányi, K. Fábián, C. Szabó, Z. Szabó, and Éva Vásárhelyi, “Number theory vs. Hungarian highschool textbooks: √2 is irrational”, Teach. Math. Comp. Sci., vol. 14, no. 2, pp. 139–152, Dec. 2016, doi: 10.5485/TMCS.2016.0416.