Hellow guys, Welcome to my website, and you are watching Квантор. Учитъса общатъса. Урок № 1.. and this vIdeo is uploaded by Николай Алексеевич Рогов at 2016-07-20T07:01:53-07:00. We are pramote this video only for entertainment and educational perpose only. So, I hop you like our website.