Well, Chekhov fits well between Dostoyevsky and Saltykov-Shchedrin.

There are already good advices here - but I would like to suggest something that seems obvious, but might still be overlooked: consider several most likely questions your professor will ask, and prepare answers for them.

A number of good ones is already mentioned, but one is oddly missing: https://en.wikipedia.org/wiki/Three_from_Prostokvashino There are 3 soviet movies, and one post-Soviet. Ignore the latter. Obligatory animal characters included.