I'm looking for any explanation of Soviet doctrine - from strategic to tactical level - in the 1944-45 era. I can't find a single thing - the only uselful documents I can find are a Soviet infantryman's manual (1942) and explanation of Deep Battle doctrine. The former must have been updated by operation Bagration and so cannot really be trusted to give a detailed explanation of the tactics the Soviets used, and Deep Battle is detailed but does not explain tactics at the Battalion/Company level.
Aured - Did the Russians use the same fire and maneuver tactics with typical triangle tasking used by the US in WW II? No they did not.
Did they understand the basic principles of fire and maneuver, sure. But the whole army was organized differently, tasked differently, placed less reliance on close coordination with artillery fires, wasn't based on small probes by limited infantry elements to discover the enemy and subject him to more of those fires, etc. Basically there are a whole host