@article{AMUC2_2006__75_1_130219, author = {Ben Amar, N. and Chaabouni, M.}, title = {Hochshild cohomology and equivalence of graded star products.}, journal = {Acta Mathematica Universitatis Comenianae. New Series}, pages = {31}, publisher = {mathdoc}, volume = {75}, number = {1}, year = {2006}, zbl = {1164.53404}, language = {en}, url = {https://geodesic-test.mathdoc.fr/item/AMUC2_2006__75_1_130219/} }