Let U be a polydisc in C-n. Let X subset of U x C-p be an analytic sub
set of pure dimension n such that the projection pi: U x C-p --> U exh
ibits X as an analytic branched covering of U. We show the exactness o
f the Dolbeault's complex trace pi A(X)(tau,0) GRAPHICS trace pi A(X)(
tau,1) GRAPHICS