Georgia, meanwhile, has criticized Russian plans to nearly double its gas prices, saying the move was politically motivated. Ukraine and Moldova have also protested Moscow's demands that they pay western European prices for its gas.
All three countries have leaders who have sought to distance their nations from Russia.
Fradkov also said the summit participants signed a number of agreements, including on economic, energy, and humanitarian cooperation.
The group's next summit takes place in May in the Tajik capital, Dushanbe.
RFE/RL Russia Report
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