In his opinion, the narrow result does not need to be the final decision regarding the EU membership, he added.
For Wieland, Great Britain does not automatically need to withdraw from the EU after the referendum. "There are ways to prevent this exit", he said in an interview with "Deutsche Welle TV".
dpa: "Wieland: Europa darf Großbritannien nicht überstürzt herausdrängen"
Deutsche Welle TV: "Volker Wieland rät nach dem Brexit zu Gelassenheit"
FAZ: "Warnung vor noch mehr Europa - Ökonomen befürchten großen wirtschaftlichen Schaden"
Frankfurter Neue Presse: "24 Monate Unsicherheit"
To the press release: "Volker Wieland warns of precipitous actions after Brexit referendum"