Based on the legal opinion in United Nations Juridical Yearbook, 1987 (United Nations publication, Sales No. E.96.V.6), pp. 174-175, under item 5.
21 根据1987年《联合国司法年鉴》（联合国出版物，出售品编号：E.96.V.6）项目5中的法律意见，第174-175页。