Fiorentina-Dynamo Kiev will be officiated by Jonas Eriksson, while Cuneyt Cakir takes charge of Napoli-Wolfsburg.
The Europa League quarter-final second legs are played on Thursday evening.
They will kick off at 20.05 UK time (19.05 GMT).
Fiorentina drew 1-1 away to Dynamo Kiev in the first leg and their decider has been assigned to Swedish referee Eriksson.
Napoli have a 4-1 victory over Wolfsburg to rely on and the Stadio San Paolo clash will be officiated by Turkish ref Cakir.
Fiorentina-Dynamo Kiev will be officiated by Jonas Eriksson, while Cuneyt Cakir takes charge of Napoli-Wolfsburg.
The Europa League quarter-final second legs are played on Thursday evening.
They will kick off at 20.05 UK time (19.05 GMT).
Fiorentina drew 1-1 away to Dynamo Kiev in the first leg and their decider has been assigned to Swedish referee Eriksson.
Napoli have a 4-1 victory over Wolfsburg to rely on and the Stadio San Paolo clash will be officiated by Turkish ref Cakir.
In the other quarter-finals, Dnipro-Club Brugge went to Spain’s Alberto Undiano Mallenco and Zenit-Sevilla to Italian official Nicola Rizzoli.