sentences:  During that period, he led AEK to the semi-finals of the UEFA Cup in the 1977.In the UEFA Cup campaign of the 1976–77 season, he is credited with the substitution of regular goalkeeper Lakis Stergioudas with veteran Nikos Christidis in extra-time of the second leg of the encounter against QPR.His move was justified when Christidis stopped two penalties and AEK went through to the semi finals.