STRASBOURG, France — Greece submitted a request for aid from Europe’s bailout fund Wednesday, and is rushing to detail a plan of economic reforms that creditors want to see this week if they are to save the country from financial collapse and keep it in Europe’s joint currency.

Greek Prime Minister Alexis Tsipras earned both cheers and jeers as he addressed lawmakers at the European Parliament, where he said his country is seeking a deal that might bring a definitive end to his country’s financial crisis, not just a temporary stopgap.

“We need to ensure the medium-term funding of our country with a development and growth program,” Tsipras told the lawmakers gathered in Strasbourg, France.

Greece on Wednesday morning submitted a written request for a new support program from Europe’s bailout fund, according to Michel Reijns, the spokesman for the eurozone’s top official, Jeroen Dijsselbloem.

Greece needs to back that up by presenting by the end of Thursday a detailed, cost-assessed plan on the economic measures it would take in exchange for loans. So far, Greece has only produced an outline of the measures.

European leaders will hold a summit on Sunday to decide whether the plan is good enough.

Applause rose from leftist quarters in the EU Parliament when Tsipras said aid to Greece only helped out banks, not ordinary Greeks. A few called for compromise.

The head of a conservative group in the Parliament, Belgium’s Guy Verhofstadt, said he was “furious” at Tsipras’ failure to spell out specifics of his reform plans.