TY - JOUR AU - V. G. Drinfeld TI - Varieties of modules of $F$-sheaves JO - Funkcionalʹnyj analiz i ego priloženiâ PY - 1987 SP - 23 EP - 41 VL - 21 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/FAA_1987_21_2_a2/ LA - ru ID - FAA_1987_21_2_a2 ER -