@article{MOMA_1976__81_177762,
     author = {Eugene Spiegel},
     title = {Isomorphisms of p-adic {Group} {Rings.}},
     journal = {Monatshefte f\"ur Mathematik},
     pages = {305--310},
     publisher = {mathdoc},
     volume = {81},
     year = {1976},
     zbl = {0338.20008},
     url = {http://geodesic.mathdoc.fr/item/MOMA_1976__81_177762/}
}