%0 Journal Article
%T SOME NOTES ON JOHNSON BOUND AND GRAHAM BOUND OF CONSTANT WEIGHT CODES<br>等重码的约翰逊界和格雷厄姆界的几点注记
%A Yang Yixian
%A <br>杨义先
%J 电子与信息学报
%D 1987
%I 
%X Four classes of constant weight codes which can meet the Johnson upper bound and two classes of constant weight codes which are greater than the Graham lower bound are given in this paper.
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=5B3AB970F71A803DEACDC0559115BFCF0A068CD97DD29835&cid=1319827C0C74AAE8D654BEA21B7F54D3&jid=EFC0377B03BD8D0EF4BBB548AC5F739A&aid=A13C0FD2DC9469D3&yid=9C2DB0A0D5ABE6F8&vid=9CF7A0430CBB2DFD&iid=E158A972A605785F&sid=869B6F3117981EC4&eid=0918129209B14F3E&journal_id=1009-5896&journal_name=电子与信息学报&referenced_num=0&reference_num=4