Complex sentence: It is a long work, similar to Flaubert's "Madame Bovary", one of its influences, others being that of Naturalism and "Kraussism", a philosophical current which promoted the cultural and ethical regeneration of Spain.
Split into simpler sentences: It is a long work, similar to Flaubert's "Madame Bovary", one of its influences. Other influences included Naturalism and "Kraussism", a philosophical current which promoted the cultural and ethical regeneration of Spain.