15-th summer conference International mathematical Tournament of towns

Pereslavl-Zalesskij, 31.07.2003-09.08.2003.

Problem 1. Algebraic Tiling

I. I. Bogdanov, G. R. Chelnokov

Tasks and solutions

3 pages (given at begining of conference 31.07.2003): 3 pages (it is given 04.08.2003 - after the semifinal):
3 pages: 13 pages: