Partial fraction decompositions and Kummer congruences for the normalized coefficients of the Laurent expansion of elliptic functions parametrizing a nonsingular cubic curve in Hessian normal form. Chip Snyder (1979) Journal für die reine und angewandte Mathematik
p-адические характеры Дирихле функциональных полей А.Ф. Иванов (1975) Zapiski naucnych seminarov Leningradskogo