The Law of Moses? https://mosaicmagazine.com/picks/uncategorized/2013/08/the-law-of-moses/

August 15, 2013 | Yuval Cherlow
About the author:

To suggest that some verses in the Torah were not written by Moses, as does the medieval commentator Abraham ibn Ezra, is not in and of itself heretical.

Read more on TheTorah.com: http://thetorah.com/rabbi-cherlow-authorship-torah/