@article{10_4171_dm_635, author = {Andreas Maurischat}, title = {Prolongations of $t${-Motives} and {Algebraic} {Independence} of {Periods}}, journal = {Documenta mathematica}, pages = {815--838}, year = {2018}, volume = {23}, doi = {10.4171/dm/635}, url = {http://geodesic.mathdoc.fr/articles/10.4171/dm/635/} }