@article{IM_1979__55_186134,
     author = {B. Mazur},
     title = {On the {Arithmetic} of {Special} {Values} of {L} {Functions.}},
     journal = {Inventiones mathematicae},
     pages = {207--240},
     publisher = {mathdoc},
     volume = {55},
     year = {1979},
     zbl = {0426.14009},
     url = {http://geodesic.mathdoc.fr/item/IM_1979__55_186134/}
}