Any person or persons, jointly or severally aggrieved by any decision of the zoning board of appeals, or any officer, department, board, or bureau of a city of the metropolitan class, may present to the district court a petition, duly verified, setting forth that such decision is illegal, in whole or in part, and specifying the grounds of such illegality. Such petition must be presented to the court within thirty days after the filing of the decision in the office of the zoning board of appeals.