Reference for Bekhorot 84:17

הוא דאמר כרבנן בתראי

But if R'Johanan does not hold R'Hisda's opinion, why does he not explain that he [Elai] follows the view of the last Rabbis [mentioned in the Mishnah]?<span class="x" onmousemove="('comment',' Why then is R. Johanan astonished at R. Elai's decision, since the latter only follows the ruling of the last Rabbis in the MISHNAH:');">¹¹</span>

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