TY - JOURNAL OF SHANDONG UNIVERSITY(NATURAL SCIENCE) A1 - SUN Lei, MA Ying-xue T1 - Several sufficient conditions of a normal graph in conditional coloring Y1 - 2011-02-16 JF - JOURNAL OF SHANDONG UNIVERSITY(NATURAL SCIENCE) JO - JOURNAL OF SHANDONG UNIVERSITY(NATURAL SCIENCE) SP - 42 EP - 44 VL - 46 IS - 2 UR - http://lxbwk.njournal.sdu.edu.cn N1 - ER -