"Left-Wing" Communism: An Infantile Disorder (Russian: Детскаяболезнь "левизны" вкоммунизме, Detskaya Bolezn' "Levizny" v Kommunizme) is a work by Vladimir...
original of Lenin's polemic against the left-wing communists, Детскаяболезнь "левизны" вкоммунизме, actually translates as "The Childhood Illness of 'Leftism'...