Não informado. (1950). Bulletin of mathematical statistics. Kyushu University, Research Association of Statistical Science.
Lua i Stíl Chicago (17ú heag.)Não informado. Bulletin of Mathematical Statistics. Fukuoka, Japão: Kyushu University, Research Association of Statistical Science, 1950.
Lua MLA (8ú heag.)Não informado. Bulletin of Mathematical Statistics. Kyushu University, Research Association of Statistical Science, 1950.
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