Martti Ahtisaari said on a visit to Prishtina that this was the best way to achieve a multiethnic society in the disputed province.
Ahtisaari was speaking after meeting a team sent by the province to take part in talks with Serbia on Kosovo's future.
Ethnic Albanians are seeking independence from Serbia, a possibility that Serbs reject.
(AFP)
RFE/RL Balkan Report
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