Heavy-Light Decay Constants: Conclusions from the Wilson Action
  We report on the results of a MILC collaboration calculation of $f_B$, $f_{B_s}$, $f_D$, $f_{D_s}$ and their ratios. We discuss the most important errors in more detail than we have elsewhere. 
MILC Collaboration: C. Bernard, T. DeGrand, C. DeTar, Steven Gottlieb,   Urs M. Heller, J. Hetrick, N. Ishizuka, C. McNeile,...