@第{10.2307/3621862条，ISSN={00255572}，URL={http://www.jstor.org/stable/3621862},author={Martin Griffiths}，期刊＝{数学公报}，数字={506}，页数={285--287}，publisher={数学协会}，title={86.39涉及楼层功能的更多金额}，urldate={2024-04-23}，体积={86}，年份={2002}}