Program sfkolmog | Kolmogoroff spectral factorization. 
[SYNOPSIS]
sfkolmog < in.rsf > out.rsf spec=n lag=0 shift=0
[PARAMETERS]
int     | lag | =0 |   | 	lag for asymmetric part 
int     | shift | =0 |   | 	time shift 
bool    | spec | =n |  [y/n] | 	if y, the input is spectrum squared; n, time-domain signal 
[DIRECTORY]
user/gee
