On the invitation of Armenian First Lady Bella Kocharian her Russian counterpart Lyudmila Putina is arriving in Yerevan today. As reported by the press service of the Armenian president, the Russian head's spouse will participate in the closing ceremony of the second International School Olympiad on the Russian Language held in the CIS and Baltic countries. In the course of the two-day visit L. Putina will visit a number of sights in Armenia, will meet with teachers of Yerevan school after Pushkin.