Russia's stance on the Constitutional referendum in Nagorno Karabakh found its reflection in the statement, which also was signed by Yuri Merzlyakov, Russian Co-Chair of OSCE Minsk Group, stated in Baku Vasili Istratov , the Russian Ambassador in the Azeri Republic. "I am not sure that the referendum in Nagorno Karabakh will have positive impact on the Nagorno Karabakh conflict settlement," underlined Istratov, reports Analitika.az