A full-length account by a Russian officer in the conflict (made available online with the author's support and permission).
english -
http://artofwar.ru/m/mironow_w_n/text_0180.shtml
russian original -
http://artofwar.ru/m/mironow_w_n/text_0010.shtml
german -
http://artofwar.ru/m/mironow_w_n/text_0187.shtml
In general, it's the Chechen war (the history and facts of which I've studied in excrutiating detail) that has influenced my mindset in regards to the nature of violence and ethics.