Arsenal's Premier League title push gathered momentum following Wednesday's gritty 4-2 win over Bolton Wanderers but sterner tests lie just around the corner.

Andrei Arshavin's late strike ensured Arsenal won by two goals to go back to the summit for the first time since August and less than two months since Chelsea beat them 3-0 to open up an 11-point gap between the two sides.

Manager Arsene Wenger, however, said being ahead of the rest at this stage of the season did not count for much.

"Going top shows first of all that it can change quickly and it can strengthen the belief in my players," he told reporters.

"I am very proud of what they have achieved because at the time (we lost to Chelsea) it looked a bit ludicrous to say that we will come back," Wenger added.

Although pleased to be looking down at the other teams, he also knows that still being there after their next four league games against Aston Villa, Manchester United, Chelsea and Liverpool will prove just how realistic their challenge is.

"The next four games will be very important for us," he said.

"You have a fight to win games like this against Bolton, but the real difference is made with the teams you fight against.

"Mathematically they have a much bigger impact on the table."

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