@inproceedings{BP7, 
    title = { Interpreting invariant composition in the B method using the Spec\# ownership relation: a way to explain and relax B restrictions  }, 
    author = {Boulm\'e, Sylvain and Potet, Marie-Laure},
    year = {2007},
    booktitle = {B 2007},
    publisher = {{Springer-Verlag}},
    series = {{Lecture Notes in Computer Science}},
    volume = {4355},
    team = {DCS, PACSS},
}