u<sub>q</sub>-Sharp Subsets of a Finite Field.

Pinaki Das u<sub>q</sub>-Sharp Subsets of a Finite Field. 249-253 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=2948&spage=249 2003 conf/fq/2003 International Conference on Finite Fields and Applications db/conf/fq/fq2003.html#Das03