@article{10_1017_fms_2024_14, author = {Alessandro Iraci and Marino Romero}, title = {Delta and {Theta} {Operator} {Expansions}}, journal = {Forum of Mathematics, Sigma}, publisher = {mathdoc}, volume = {12}, year = {2024}, doi = {10.1017/fms.2024.14}, language = {en}, url = {http://geodesic.mathdoc.fr/articles/10.1017/fms.2024.14/} }