On maximal p-extensions, class numbers and unit signatures
Journées arithmétiques de Caen, Astérisque, no. 41-42 (1977), pp. 239-246. 
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     title = {On maximal $p$-extensions, class numbers and unit signatures},
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     pages = {239--246},
     publisher = {Soci\'et\'e math\'ematique de France},
     number = {41-42},
     year = {1977},
     mrnumber = {441920},
     zbl = {0352.12010},
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     url = {http://www.numdam.org/item/AST_1977__41-42__239_0/}
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Neumann, Olaf. On maximal $p$-extensions, class numbers and unit signatures, dans Journées arithmétiques de Caen, Astérisque, no. 41-42 (1977), pp. 239-246. http://www.numdam.org/item/AST_1977__41-42__239_0/

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