 Bronstein wrote that he had played several games with Aronin, and knew him quite well.Bronstein's first encounter with Aronin, 

In fact, Aronin did not play in the 1955 Soviet Championship final, referred to by Bronstein, with the game against Smyslov.Likely Bronstein means the 1951 Championship, in which Smyslov and Aronin both played.