1. Artigue M, Perrin-Glorian MJ (1991) Didactic engineering, research and development tool: some theoretical problems linked to this duality. Learn Math 11(1):13–17
2. Balacheff N (1999) Contract and custom: two registers of didactical interactions. Math Educ 9(2):23–29
3. Bloch I (2003) Teaching functions in a graphic milieu: what forms of knowledge enable students to conjecture and prove? Educ Stud Math 52(1):3–28
4. Brousseau G (1992) Didactique: what it can do for the teacher, Research in Didactique of Mathematics (selected papers). In: Douady R, Alain M (eds) La Pensée Sauvage Grenoble, pp 7–40
5. Brousseau G (1997) Theory of didactical situations in mathematics, Didactique des mathématiques 1970–1990 (eds and trans: Cooper M, Balacheff N, Sutherland R, Warfield V). Kluwer, Dordrecht