Manchester City striker Sergio Aguero is backing Roberto Mancini to dip into the transfer market once the window re-opens this summer, as the club looks to strengthen ahead of the new campaign.

The Citizens' multi-millionaire owner Sheikh Mansour has plowed vast amounts of money into the club over the past few years, in an attempt to establish the club as a force, both domestically and in Europe.

After claiming the Premier League title this year - their first top-flight triumph since 1968 - City took considerable steps towards realising that goal, and will now look to make inroads on the Champions League next term.

However, Aguero knows that the players must make continuous improvements, and believes Mancini will look to bolster his ranks in order to make the squad an even stronger force to be reckoned with in 2012-13.

"That was the first league title that I have won in my career," the Argentine international told The Times. "Now I want to win more.

"It is important for the club that we do well in the Champions League next season. That is crucial if we are to show we are a power on the world stage.

"I am sure the club will sign more players this summer to strengthen our squad, to help us achieve our objectives. Do I have a problem with that? Not at all. I just want to keep winning next season."

The former Atletico Madrid front man denied reports that there is any disharmony at the Etihad Stadium, and says that whilst there is strong competition for places, everyone remains united in search of the same goal.

"None of that stuff [about rifts in the camp] is true. It is a lie. We have always been united, throughout the season," Aguero added. "We have always stood together.

"There is no problem with the squad, no lack of cohesion, anything like that. We are not fighting all the time. There is a great spirit between the players. There is a winning spirit here. Everyone is part of it."

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