@article{10_4064_cm_83_2_271_279,
     author = {Piotr Wi\'sniewski},
     title = {On some formula in connected cocommutative {Hopf} algebras over a field of characteristic 0},
     journal = {Colloquium Mathematicum},
     pages = {271--279},
     publisher = {mathdoc},
     volume = {83},
     number = {2},
     year = {2000},
     doi = {10.4064/cm-83-2-271-279},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/cm-83-2-271-279/}
}