Deepak Kumar Dalai Kishan Chand Gupta Subhamoy Maitra Results on Algebraic Immunity for Cryptographically Significant Boolean Functions. 92-106 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=3348&spage=92 2004 conf/indocrypt/2004 INDOCRYPT db/conf/indocrypt/indocrypt2004.html#DalaiGM04