【题 名】：Infinite primary saddle-node bifurcation in periodically forced systems
【作 者】：IB Schwartz
【期刊、会议、单位名称】：Physics Letters A
【年, 卷(期), 起止页码】：Volume 126, Issue 7, 18 January 1988,Pages 411-418  
【全文链接】：
http://www.sciencedirect.com/science?_ob=ArticleURL&_udi=B6TVM-46T4TJN-35H&_user=10&_coverDate=01%2F18%2F1988&_rdoc=1&_fmt=high&_orig=search&_origin=search&_sort=d&_docanchor=&view=c&_searchStrId=1492641277&_rerunOrigin=google&_acct=C000050221&_version=1&_urlVersion=0&_userid=10&md5=423893c526ca9192b6ea1b930be15875&searchtype=a