Characterization of Jacobian varieties in terms of soliton equations. Takahiro Shiota (1986) Inventiones mathematicae
Commutative rings of differential operators connected with two-dimensional Abelian varieties. Mironov, A.E. (2000) Siberian Mathematical Journal
Cubic theta relations. H. Lange, Ch. Birkenhake (1990) Journal für die reine und angewandte Mathematik