author = {C. Schneider},
title = {{Symbolic Summation over Recurrences and Indefinite Nested Sums and Products}},
language = {english},
year = {2004},
month = {23. March},
note = {Contributed talk at GAMM Jahrestagung 2004, Dresden, Germany},
conferencename = {GAMM Jahrestagung 2004, Dresden, Germany}