PDF(363 KB)
Chromatic and Dichromatic Sums of General Maps on the Plane
Zhao Xiang LI(1),Yan Pei LIU(2
Acta Mathematica Sinica, Chinese Series ›› 2004, Vol. 47 ›› Issue (3) : 487-494.
PDF(363 KB)
PDF(363 KB)
Chromatic and Dichromatic Sums of General Maps on the Plane
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