@article{PMB_2009____A7_0,
     author = {Wojtkowiak, Zdzis{\l}aw},
     title = {On $\ell $-adic {Galois} periods, relations between coefficients of {Galois} representations on fundamental groups of a projective line minus a finite number of points},
     journal = {Publications math\'ematiques de l'Universit\'e de Franche-Comt\'e Besan\c{c}on. Alg\`ebre et th\'eorie des nombres},
     eid = {7},
     pages = {1--18},
     publisher = {Universit\'e de Franche-Comt\'e et CNRS},
     year = {2009},
     doi = {10.5802/pmb.a-123},
     language = {en},
     url = {http://www.numdam.org/articles/10.5802/pmb.a-123/}
}