Reference for Chullin 281:47

אמר ליה ר' זירא

Thereupon R'Zera said to them,<span class="x" onmousemove="('comment',' So in MS.M. 'To them', i.e., to the students in the Beth Hamidrash (House of Study) who quoted the foregoing teaching. Cur. edd. 'to him'.');"><sup>34</sup></span>