"Additional Eurogroup meeting at 1500 (1300 GMT) on Monday 22 June in Brussels to prepare eurozone summit," Dijsselbloem, who is also the Dutch finance minister, said in a tweet today.
EU President Donald Tusk called a summit of the leaders of the 19 eurozone countries on Monday in Brussels after the Eurogroup meeting yesterday failed to break a five-month-old deadlock between the government in Athens and its EU-IMF creditors.
Any proposal to end a bitter cash-for-reforms row would first require technical approval by teams of experts from the institutions overseeing Greece's bailout -- the International Monetary Fund, the European Commission and the European Central Bank.
"First we need a technical proposal, and then a Eurogroup and then the euro summit," Stubb said.
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But several rounds of technical talks have failed in the months since Syriza came to power in January, with Athens insisting that any agreement be negotiated at a more senior political level.
"It's very much for them to come forward," the source said.
Austrian Finance Minister Hans Jorg Schelling insisted that a succesful summit would require firm proposals by Athens.
"Calling a summit that will not be prepared... I don't find that very constructive," Schelling said.
"We don't know if Greece is going to make a move and make new proposals. Taking this to the political level, as Greece does, is obviously a double-edged sword," he added.