Letter dated 21 April 1987 from the Permanent Representative of the Islamic Republic of Iran to the United Nations addressed to the Secretary-General.
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English:A_42_237--S_18819-EN - PDF ; Español:A_42_237--S_18819-ES - PDF ; Français:A_42_237--S_18819-FR - PDF ; Русский:A_42_237--S_18819-RU - PDF ; العربية:A_42_237--S_18819-AR - PDF ; 中文:A_42_237--S_18819-ZH - PDF ;