Timeline for How to show that $G$ is of class two ?or how to show $x_1(G)=\Delta(G)+1$?
Current License: CC BY-SA 3.0
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| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| May 26, 2017 at 17:12 | history | answered | Fedor Petrov | CC BY-SA 3.0 |