↑ David E. Murphy. What Stalin Knew: The Enigma of Barbarossa. Yale University Press, 2006. «The idea that Stalin intended to attack Germany in July 1941 is put forward by Viktor Suvorov in his book Ledokol: Kio naclial vtoruiu vohui? (Icebreaker: Who Started the Second World War?).» Suvorov claims that Stalin failed because Hitler got wind of the plan and launched Operation Barbarossa, a preemptive strike. This thesis started a controversy that continues, but most historians in Russia and abroad reject it as unsupported by evidence, while there is overwhelming archival and other data demonstrating that the Red Army was incapable of mounting an offensive of the magnitude required. Nevertheless, some historians have defended the idea. "