MOSCOW. Feb 10 (Interfax) - There are problems and a reason for optimism in the process of preparations for the meeting between the presidents of the countries of the "Normandy four" (Russia, France, Germany and Ukraine), which is scheduled to take place in Minsk on Wednesday, a source with knowledge on the matter told Interfax.
"The work continues. It is difficult, there are problems but there is room for optimism," the source said.