@article{SIGMA_2008_4_a64, author = {Mabrouk Ben Ammar and Maha Boujelbene}, title = {$\mathfrak{sl}(2)${-Trivial} {Deformations} of $\operatorname{Vect}_{\mathrm{Pol}}(\mathbb R)${-Modules} of {Symbols}}, journal = {Symmetry, integrability and geometry: methods and applications}, year = {2008}, volume = {4}, language = {en}, url = {http://geodesic.mathdoc.fr/item/SIGMA_2008_4_a64/} }