author = {C. Schneider},
title = {{Symbolic Summation in Difference Fields}},
language = {english},
year = {2001},
month = {May},
note = {(published as Technical report no. 01-17 in RISC Report Series.)},
translation = {0},
school = {RISC, J. Kepler University Linz},
length = {301},
type = {phdthesis}