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0012-365X(80)90236-8
0012-365X(80)90236-8
http://dx.doi.org/10.1016/0012-365X(80)90236-8
Uniqueness of colorability and colorability of planar 4-regular graphs are NP-complete
P356
Q55899212-FA8D607B-977C-40D8-A33F-FE06D5C611FC
P356
0012-365X(80)90236-8
http://dx.doi.org/10.1016/0012-365X(80)90236-8