%0 Journal Article %A L. A. Takhtadzhyan %T Solutions of the triangle equations with $\mathbb Z_n\times\mathbb Z_n$-symmetry as the matrix analogues of the Weierstrass zets and sigma functions %J Zapiski Nauchnykh Seminarov POMI %D 1984 %P 258-276 %V 133 %I mathdoc %U http://geodesic.mathdoc.fr/item/ZNSL_1984_133_a17/ %G ru %F ZNSL_1984_133_a17