حَدَّثَنَا وَكِيعٌ عَنْ مُحَمَّدِ بْنِ سُلَيْمٍ عَنِ ابْنِ أَبِي مُلَيْكَةَ أَنَّ ابْنَ عَبَّاسٍ كَتَبَ إِلَيْهِ قَالَ رَسُولُ اللَّهِ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ الْمُدَّعَى عَلَيْهِ أَوْلَى بِالْيَمِينِ
مسند امام احمد بن حنبل · Hadith 3348
It was narrated from Ibn Abi Mulaikah that Ibn 'Abbas (RA) wrote to him (saying): The Messenger of Allah (PBUH) said: "The one against whom a claim is made is more entitled to swear an oath."
Sanad
حَدَّثَنَا وَكِيعٌ عَنْ مُحَمَّدِ بْنِ سُلَيْمٍ عَنِ ابْنِ أَبِي مُلَيْكَةَ