Hadithcore
Sahih Muslim, 2397
sahih

Abu Huraira reported that Umar b. Khattab came to Allah's Messenger (ﷺ) while there were some women with him and they were raising their voices above the voice of Allah's Messenger (ﷺ) and when Umar sought permission to get into the house they went behind the curtain hurriedly. The rest of the hadith is the same.

حَدَّثَنَا هَارُونُ بْنُ مَعْرُوفٍ، حَدَّثَنَا بِهِ عَبْدُ الْعَزِيزِ بْنُ مُحَمَّدٍ، أَخْبَرَنِي سُهَيْلٌ، عَنْ أَبِيهِ، عَنْ أَبِي هُرَيْرَةَ، أَنَّ عُمَرَ بْنَ الْخَطَّابِ، جَاءَ إِلَى رَسُولِ اللَّهِ صلى الله عليه وسلم وَعِنْدَهُ نِسْوَةٌ قَدْ رَفَعْنَ أَصْوَاتَهُنَّ عَلَى رَسُولِ اللَّهِ صلى الله عليه وسلم فَلَمَّا اسْتَأْذَنَ عُمَرُ ابْتَدَرْنَ الْحِجَابَ ‏.‏ فَذَكَرَ نَحْوَ حَدِيثِ الزُّهْرِيِّ ‏.‏

References2 variants
In-Book Reference
Book 44, Hadith 33
USC-MSA web (English) reference
Book 31, Hadith 5900 (deprecated numbering scheme)