A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2008; you can also visit the original URL.
The file type is application/pdf.
John D. Lafferty, Daniel Rockmore. "Fast Fourier Analysis for SL2over a Finite Field and Related Numerical Experiments." Experimental Mathematics 1.2 (1992) 115-139