@article{CMH_1975__50_139604,
     author = {Eugene Spiegel},
     title = {Abelian p-adic {Group} {Rings.}},
     journal = {Commentarii mathematici Helvetici},
     pages = {27--32},
     publisher = {mathdoc},
     volume = {50},
     year = {1975},
     zbl = {0298.20006},
     url = {http://geodesic.mathdoc.fr/item/CMH_1975__50_139604/}
}