The head of the people's Council people's Republic of Donetsk Andrew Burgin said the DNR leadership is skeptical of the idea of the President of Ukraine Petro Poroshenko to hold a referendum on gastrointe of the country. "The law on referendum in Ukraine, and not literally clear how to implement," said Burgin, reports RIA " Novosti ". first of Poroshenko have said before, that Kyiv is ready to hold a referendum on the issue of the state apparatus of the country. However, he said that the Commission on constitutional reform in Ukraine are obliged to sign all Authorized areas. Along with this, Poroshenko said that the only state language in Ukraine is Ukrainian. Remember, the opposing parties in the Donbas in 0. 00 (1. 00 GMT) February fifteen declared a truce, under agreements concluded in Minsk after almost 16 hours of negotiations. The document provides for the withdrawal of all foreign armed forces, military equipment and mercenaries from the territory of Ukraine under the supervision of the OSCE