@inbook{Oberst_1985,
    title = {Actions of formal groups on formal schemes. Applications to control theory and combinatorics},
    isbn = {9783540396284},
    issn = {1617-9692},
    url = {http://dx.doi.org/10.1007/BFb0074540},
    doi = {10.1007/bfb0074540},
    booktitle = {Séminaire d’Algèbre Paul Dubreil et Marie-Paule Malliavin},
    publisher = {Springer Berlin Heidelberg},
    author = {Oberst, Ulrich and Dür, Arne},
    year = {1985},
    pages = {214–269},
    date-added = {2024-3-1 12:5:58 +0100}
}

@inbook{Oberst_1985, title = {Actions of formal groups on formal schemes. Applications to control theory and combinatorics}, isbn = {9783540396284}, issn = {1617-9692}, url = {http://dx.doi.org/10.1007/BFb0074540}, doi = {10.1007/bfb0074540}, booktitle = {Séminaire d’Algèbre Paul Dubreil et Marie-Paule Malliavin}, publisher = {Springer Berlin Heidelberg}, author = {Oberst, Ulrich and Dür, Arne}, year = {1985}, pages = {214–269}, date-added = {2024-3-1 12:5:58 +0100} }