@techreport{RISC1272,author = {C. Schneider},
title = {{Product Representations in $\Pi\Sigma$-Fields}},
language = {english},
number = {03-04},
year = {2003},
month = {July},
keywords = {combinatorial identities},
sponsor = {Austrian Academy of Science and the SFB-grant F1305 of the Austrian FWF},
length = {0},
type = {RISC Report Series},
institution = {Research Institute for Symbolic Computation (RISC), Johannes Kepler University Linz},
address = {Altenberger Straße 69, 4040 Linz, Austria},
issn = {2791-4267 (online)}
}