AT2=O(N log4 N), T=O(log N) Fast Fourier Transform in a Light Connected 3-Dimensional VLSI

Makoto Hasegawa, Yoshiharu Shigei. AT2=O(N log4 N), T=O(log N) Fast Fourier Transform in a Light Connected 3-Dimensional VLSI. In ISCA. pages 252-260, 1986.