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Alvaro Barrientos, Associated Press
FC Barcelona's Sergio Busquets, right, duels for the ball in front AC Milan's Zlatan Ibrahimovic from Sweden, during their Europa Champions League second leg, quarterfinal soccer match, at Camp Nou stadium in Barcelona, Spain Tuesday April 3, 2012.

BARCELONA, Spain — Zlatan Ibrahimovic's return to Barcelona ended with him feeling "disgusted" after two penalties led to AC Milan's 3-1 loss in the Champions League.

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Ibrahimovic returned to the Camp Nou for the first time since his 2010 exit from the Spanish champions after just one season and while the Sweden striker set up the Italian club's lone goal, he was kept from scoring.

But Ibrahimovic echoed former Inter Milan and current Real Madrid coach Jose Mourinho in feeling that Barcelona's European success has been helped by match officials following a disputed penalty decision.

Ibrahimovic says that "I understand better why Mourinho gets upset every time he plays here," adding that "in my opinion it was not fair."