![](/img/cover-not-exists.png)
Mathematical Notes
Harary, Frank, Weston, J. D., Poulsen, Ebbe ThueVolume:
66
Language:
english
Journal:
The American Mathematical Monthly
DOI:
10.1080/00029890.1959.11989353
Date:
August, 1959
File:
PDF, 609 KB
english, 1959