Gotov Soboiu Zhertvovat&rsquo;&hellip;": Zapiski Grafa Mikhaila Nikolaevicha Murav&rsquo;eva ob Upravlenii Severo-Zapadnym Kraem i ob Usmirenii v Nem Miatezha. 1863-1866 gg.["I am ready to sacrifice myself...": Notes of count Mikhail Nikolaevich Murav'ev on the administrati