@conference { LL07a, author = { Langevin, Philippe and Leander, Gregor }, title = { Testing main conjectures related to power functions }, booktitle = { BFCA-07 }, month = { May }, organization = { LIAFA }, address = { Paris, France. }, year = {2007}, rang = {I}, url = {http://langevin.univ-tln.fr/recherche/conference/mainconjpf.pdf}, }