TY  - DATA
AU  - Kiltinen, John O.
TI  - Oval track and other permutation puzzles: and just enough group theory to solve them 
T2  - Classroom Resource Materials, 
SN  - 9781470458362 (online)
PY  - 2003///]
CY  - [Washington, D.C.]
PB  - Published and distributed by the Mathematical Association of America Press
KW  - Mathematical recreations
KW  - Permutations
N1  - Includes bibliographical references (p. 293-297) and index
UR  - https://doi.org/10.1090/clrm/023
ER  -