(46) باب فَضْلِ صَلاَةِ الْعِشَاءِ وَالصُّبْحِ فِي جَمَاعَةٍ
This hadith has been narrated by the chain of transmitters by Abu Sahl 'Uthman b. Hakim.
Reference: Sahih Muslim 656 b
In-book reference: Book 5, Hadith 328
USC-MSA web (English) reference(deprecated numbering scheme): Book 4, Hadith 1380