@misc{RISC181,
author = {C. Schneider},
title = {{A Collection of Denominator Bound To Solve Parameterized Linear Difference Equations in $PiSigma$-Extensions}},
language = {english},
year = {2004},
month = {27. September},
note = {Contributed talk at SYNASC 2004, Timisoara, Romania},
conferencename = {SYNASC 2004, Timisoara, Romania}
}