@article{DOCMA_2022__27__a29, author = {Nikitopoulos, Evangelos Alexander}, title = {It\^o's formula for noncommutative {\(C^2\)} functions of free {It\^o} processes}, journal = {Documenta mathematica}, pages = {1447--1507}, publisher = {mathdoc}, volume = {27}, year = {2022}, language = {en}, url = {http://geodesic.mathdoc.fr/item/DOCMA_2022__27__a29/} }