Reference for Rosh Hashanah 29:6

בעא מיניה רבא מרב נחמן ואמרי לה ר' יוחנן מרבי ינאי היתה שנה מעוברת מהו א"ל הלך אחר רוב שנים

- He replied: Shebat of the calendar.<span class="x" onmousemove="('comment',' In spite of the fact that fructification is due to the action of the sun.');">⁷</span> Raba inquired of R'Nahman (or, according to others, R'Johanan inquired of R'Jannai) : Suppose it was a leap year, what is the rule?<span class="x" onmousemove="('comment',' Do we make the New Year in Shebat which comes next to Tebeth, or in First Adar which takes the place of Shebat in this year?');">⁸</span>

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