q=%E5%9F%9F%E8%AE%BA%E4%BC%BD%E7%BD%97%E7%93%A6%E8%AE%BA%E3%80%81%E8%B5%8B%E5%80%BC%E8%AE%BA%E7%AD%89%E5%85%A5%E6%AD%A4%E3%80%82%E5%8F%82%E8%A7%81o156.2%5C%2B1%E3%80%82%E3%80%88%E7%B1%BB%E5%9F%9F%E8%AE%BA%EF%BC%8C4%E7%89%88%E6%94%B9%E5%85%A5o156.2%5C%2B4%E3%80%89&searchType=standard&isFacet=true&view=standard&searchWay=subject&rows=10&sortWay=score&sortOrder=desc&searchWay0=marc&logical0=AND
rows=10&searchWay0=marc&logical0=AND
域论伽罗瓦论、赋值论等入此。参见O156.2+1。〈类域论，4版改入O156.2+4〉