BEGIN:VCALENDAR VERSION:2.0 PRODID:-//TYPO3/NONSGML News system (news)//EN BEGIN:VEVENT UID: news-3836@www.math.uoa.gr DTSTAMP:20190511T161346Z DTSTART:20190411T131500 SUMMARY:Γενικό Σεμινάριο: Best constants in Hardy Sobolev inequalities END:VEVENT END:VCALENDAR