Question License

Question ID 3442 (Universal ID 1383492380001216)

This question was written by Niehaus,Engelbert, mb Dreyer,Ulrike, mb Ben Kebaier,Nour, derived from work by Staab,Nikolai. This work is licensed under the IMathAS Community License (GPL + CC-BY).
The code that generated this question can be obtained by instructors by emailing dahn@vcrp.de.