author = {C. Schneider},
title = {{Difference Field Algorithms and Algebraic Independence of Nested Sums and Products}},
language = {english},
year = {2008},
month = {June, 9},
note = {Boston, USA. Invited talk at Motives, Quantum Field Theory, and Pseudodifferential Operators},
conferencename = {Motives, Quantum Field Theory, and Pseudodifferential Operators},
url = {http://math.bu.edu/qftconference/}