Muwatta Malik, Book 19, Hadith 704 (In-Book)

Ziyad related to me from Malik from Humayd at-Tawil that 'Anas ibn Malik said, "The Messenger of Allah, may Allah bless him and grant him peace, came out to us in Ramadan and said, 'I was shown a certain night in Ramadan and then two men abused each other and it was taken away. Look for it on the ninth and the seventh and the fifth.' "

وَحَدَّثَنِي زِيَادٌ، عَنْ مَالِكٍ، عَنْ حُمَيْدٍ الطَّوِيلِ، عَنْ أَنَسِ بْنِ مَالِكٍ، أَنَّهُ قَالَ خَرَجَ عَلَيْنَا رَسُولُ اللَّهِ صلى الله عليه وسلم فِي رَمَضَانَ فَقَالَ ‏ "‏ إِنِّي أُرِيتُ هَذِهِ اللَّيْلَةَ فِي رَمَضَانَ حَتَّى تَلاَحَى رَجُلاَنِ فَرُفِعَتْ فَالْتَمِسُوهَا فِي التَّاسِعَةِ وَالسَّابِعَةِ وَالْخَامِسَةِ ‏" ‏ ‏.‏

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also referenced under: Book 19, Hadith 14 (USC-MSA)