TY - JOUR
T1 - On rotations of geometrical figures
A1 - Krech, Ireneusz
JA - Obzory matematiky, fyziky a informatiky
Y1 - 2014
VL - 43
IS - 3
SP - 21
EP - 24
SN - 1335-4981
N2 - The paper presents some original solutions to a certain problem by rolling coins (circles) derived from a book by David Wells The Penguin Book of Curious and Interesting Puzzles, and also proposes several generalizations of the problem.
ER -