TIAN Ming-xin , LI Xue-wen , SONG Qing-long . A Class of Irreducible Subgroups of GL(2,p) and Their Cayley Graphs[J]. Journal of Hebei University(Natural Science Edition), 2006 , 26(4) : 337 -340 . DOI: 10.3969/j.issn.1000-1565.2006.04.001

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