Reference for Eruvin 76:4

והא רשב"ג ור' ישמעאל בר רבי יוחנן בן ברוקה איפכא שמעינן להו איפוך

son of R'Simeon and R'Jose B'Judah [reported] anonymously<span class="x" onmousemove="('comment',' Sc. whose rulings have been anonymously recorded by the compilers of the MISHNAH:');">⁶</span> or, as others say, one of these is R'Eleazar<span class="x" onmousemove="('comment',' R. Eleazar b. Shamua.');">⁷</span>

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