< a href =" http : / / math . sogang . ac . kr / front / cmsboardview . do ? currentPage = 1 & searchField = ALL & searchValue =& searchLowItem = ALL & bbsConfigFK = 1945 & siteId = math & pkid = 811549 " target ="_ blank "> http : / / math . sogang . ac . kr / front / cmsboardview . do ? currentPage = 1 & searchField = ALL & searchValue =& searchLowItem = ALL & bbsConfigFK = 1945 & siteId = math & pkid = 811549 </ a >