Would you like a summary of one of these specific papers or help finding the Spanish-language fan analysis?

It sounds like you might be referring to of Pokémon Black & White (known in Spanish as Pokémon Negro y Blanco ) — possibly looking for interesting papers, analyses, or fan-written essays about the games' narrative, themes, or design.

While there is no formal academic paper titled exactly "Rom Pokémon Negro y Blanco," there are several interesting analyzing these games, particularly because Black & White are unique in the series for their focus on moral ambiguity, the ethics of Pokémon training (Team Plasma's philosophy), and themes of truth vs. ideals.