The head of Ukraine Petro Poroshenko and Prime Minister of Slovakia Robert fico in a telephone conversation discussed the issues of economic cooperation and aspects of providing transit of natural gas, informs on the first day of the week the official Internet-portal Poroshenko. "The parties have coordinated their positions on key issues of bilateral relations. The leaders of Ukraine and Slovakia discussed a wide range of issues of economic cooperation, including energy performance and aspects of providing transit of natural gas. The Prime Minister of the Slovak Republic confirmed his country's intention to retain the volume of reverse gas supplies to Ukraine ", - is informed in the report.