Michael Dewar Daniel Panario Mutual Irreducibility of Certain Polynomials. 59-68 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=2948&spage=59 2003 conf/fq/2003 International Conference on Finite Fields and Applications db/conf/fq/fq2003.html#DewarP03