TY - JOUR AU - Christopher Deninger AU - Enric Nart TI - Formal groups and L-series. JO - Commentarii mathematici Helvetici PY - 1990 SP - 318 EP - 333 VL - 65 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/CMH_1990__65_3_140198/ ID - CMH_1990__65_3_140198 ER -