author = {C. Schneider},
title = {{A New Sigma Approach to Multi-Summation}},
language = {english},
number = {04-09},
year = {2004},
month = {May},
note = {Submitted},
keywords = {difference fields, telescoping, creative telescoping, PiSigma, D-finite sequences},
sponsor = {Supported by the Austrian Academy of Sciences, the SFB-grant F1305 of the Austrian FWF and by grant P16613-N12 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)}