Russian delegation headed by co-chair of the Russian-Armenian intergovernmental commission for economic cooperation, vice Prime Minister of Russia Boris Alyoshin is arriving in Yerevan on a 2-day visit January 29. B.Alyoshin is to meet with the Armenian leadership including Armenian co-chair of the intergovernmental commission, defense minister Serge Sargsian. The Russian delegation will also visit a number of enterprises, which Armenia passed to Russia to pay off the state debt, in part, Mars CJSC, Science and Research Institutes of Mathematical Machines and Automated Managing Systems, the Institute of Science of Materials and the Razdan Heat Power Plant. As reported by Arminfo agency, upon completion of the visit the parties are expected to sign the papers.