Original sentence: " A new group of business magnates controlling significant swathes of Russia's economy, such as Gennady Timchenko, Vladimir Yakunin, Yuriy Kovalchuk, Sergey Chemezov, with close personal ties to Putin, emerged.Corruption grew by the magnitude of several times and assumed "systemic and institutionalised" form, according to a report by Boris Nemtsov as well as other sources.During his first term in office, he moved to curb the political ambitions of some of the Yeltsin-era oligarchs such as former Kremlin insider Boris Berezovsky, who had "helped Mr Putin enter the family, and funded the party that formed Mr Putin's parliamentary base