Differential equations and maximal ideals on the Weyl algebra A 2 (ℂ)
Rendiconti del Seminario Matematico della Università di Padova, Tome 107 (2002), pp. 209-223. 
@article{RSMUP_2002__107__209_0,
     author = {Bratti, Giuliano and Takagi, Masako},
     title = {Differential equations and maximal ideals on the {Weyl} algebra $A_2(\mathbb {C})$},
     journal = {Rendiconti del Seminario Matematico della Universit\`a di Padova},
     pages = {209--223},
     publisher = {Seminario Matematico of the University of Padua},
     volume = {107},
     year = {2002},
     mrnumber = {1926212},
     zbl = {1149.16302},
     language = {en},
     url = {http://www.numdam.org/item/RSMUP_2002__107__209_0/}
}
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Bratti, Giuliano; Takagi, Masako. Differential equations and maximal ideals on the Weyl algebra $A_2(\mathbb {C})$. Rendiconti del Seminario Matematico della Università di Padova, Tome 107 (2002), pp. 209-223. http://www.numdam.org/item/RSMUP_2002__107__209_0/

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