Integrals of Motion of Classical Lattice Sine-Gordon System B. Enriquez; B. L. Feigin — 1995 Recherche Coopérative sur Programme n°25
Quantum groups in higher genus and Drinfeld’s new realizations method ( 𝔰 𝔩 2 case) B. Enriquez; V. N. Rubtsov — 1997 Annales scientifiques de l'École Normale Supérieure