q=%E5%88%97%E5%AE%81%E6%A0%BC%E5%8B%92%E6%95%B0%E5%AD%A6%E5%A5%A5%E6%9E%97%E5%8C%B9%E5%85%8B%EF%BC%9A1987%5C-1991%EF%BC%9A1987%5C-1991&searchType=standard&isFacet=true&view=standard&rows=10&sortWay=score&sortOrder=desc&curlibcode=HP&searchWay0=marc&logical0=AND
rows=10&curlibcode=HP&searchWay0=marc&logical0=AND
列宁格勒数学奥林匹克:1987-1991:1987-1991