BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//CERN//INDICO//EN
BEGIN:VEVENT
SUMMARY:Двойственность Серра как вариант т. 
 Римана-Роха
DTSTART;VALUE=DATE-TIME:20230915T163000Z
DTEND;VALUE=DATE-TIME:20230915T183000Z
DTSTAMP;VALUE=DATE-TIME:20260907T185028Z
UID:indico-event-1393@indico.eimi.ru
DESCRIPTION:https://indico.eimi.ru/event/1393/
LOCATION:PDMI 203 
URL:https://indico.eimi.ru/event/1393/
END:VEVENT
END:VCALENDAR