TY - JOUR AU - Evangelos Alexander Nikitopoulos TI - Itô's formula for noncommutative $C^2$ functions of free Itô processes JO - Documenta mathematica PY - 2022 SP - 1447 EP - 1507 VL - 27 UR - http://geodesic.mathdoc.fr/articles/10.4171/dm/902/ DO - 10.4171/dm/902 ID - 10_4171_dm_902 ER -