@article{Steiner2019, author = "Avram W Steiner", title = "{A-Hypergeometric Systems and D-Module Functors}", year = "2019", month = "5", url = "https://hammer.purdue.edu/articles/thesis/_i_A_i_-Hypergeometric_Systems_and_i_D_i_-Module_Functors/8008955", doi = "10.25394/PGS.8008955.v1" }