![](https://media.springernature.com/w90/springer-static/cover/journal/11858/39/1.jpg?as=webp)
Volume 39, Issue 1-2
March 2007Didactics of mathematics as a scientific discipline - in memoriam Hans-Georg Steiner
20 articles in this issue
Didactics of mathematics as a scientific discipline - in memoriam Hans-Georg Steiner