Where is the mekor for "Mitzvos Layhanos Nitnu Oh Lav Layhanos Nitnu"? I would like to know who the important Rishonim and Acharonim are on this sugyah also. Thank you.
Chanan Liss, New York, U.S.A.
See Rosh Hashanah 28a and Tosfos in Eruvin 31, DH Amar Rav Yehudah, and the Ran in Nedarim 15b at the end of the Daf.