Although+the+Constitutional+Corte+has declared+the+Constitutional illegitimacy+of art.+819-ter,+co.+2,+cod.+Proc.+Civ.,+In+part+in which it excludes+the applicability,+to+relationships+between+arbitration+and+process,+of+rules+corresponding+in art.+50+co d.+proc.+civ.,+it is+true+that+the+sentence+declaration+of the unproponability+of the+question,+because+donated+to the+cognition+of the+referees,+not+binds+these the last+as+to the legal+existence+and+validity+of the+clause+compromise.