The primary source you are likely looking for is the of Il mio primo Liszt . It is part of a series (which includes Il mio primo Chopin , Il mio primo Bach , etc.) aimed at introducing novice pianists to the composer's style through simplified versions of his works.

Romantic expression, technical agility, and cantabile (singing) melodies. Typical Tracklist / Table of Contents

While there is no single academic "paper" titled exactly like your query, " Il mio primo Liszt