@article{IM_1978__50_142608,
     author = {Bruce Ferrero and Ralph Greenberg},
     title = {On the {Behaviour} of {p-Adic} {L-Functions} at s= 0.},
     journal = {Inventiones mathematicae},
     pages = {91--102},
     publisher = {mathdoc},
     volume = {50},
     year = {1978},
     zbl = {0441.12003},
     url = {http://geodesic.mathdoc.fr/item/IM_1978__50_142608/}
}