J4 ›› 2010, Vol. 45 ›› Issue (8): 40-42.
• Articles •
It was given that a necessary and sufficient condition of a forest to be improper equitable (k,d)*-colorable, which extended the result of Gerard J. Chang.
forest; equitable coloring; d-relax stable set; d-relax stable number;improper equitable coloring
LIU Shu-li. Improper equitable coloring of forests[J].J4, 2010, 45(8): 40-42.
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