President of Ukraine Petro Poroshenko, President of the French Republic Francois Hollande, and Chancellor of the Federal Republic of Germany Angela Merkel note efficient German-French-Ukrainian interaction in the elaboration of the road map on the implementation of the Minsk agreements. The press service of President Poroshenko said this in a statement following phone negotiations in the trilateral format, Ukrainian News Agency reports. "The parties discussed consequences of recent consultations at the level of diplomatic advisors in the Normandy format (Ukraine, Germany, France and the Russian Federation). They noted efficient German-French-Ukrainian interaction in the elaboration of the road map on the implementation of the Minsk agreements," reads the statement. "Petro Poroshenko emphasized the importance of further coordinated efforts aimed to ensure the fulfillment of security conditions of Minsk by Russia and its puppets, which is the precondition for any progress in political direction," the press service said in the statement. Poroshenko, Merkel, and Hollande agreed to conduct a phone conversation in the trilateral format at the beginning of the week (October 17-23) to determine prospects of holding a summit in the Normandy format. As Ukrainian News Agency earlier reported, President Petro Poroshenko, Chancellor of the Federal Republic of Germany Angela Merkel, and President of the French Republic Francois Hollande intends to have a conference call on the issues of Donbas October 17-23. Ukraine has not received a formal invitation to the summit in the Normandy Format (Ukraine, Germany, France, and Russia) and considers the summit expedient only for endorsement of the "road map" of the Minsk agreements.