TY - JOUR AU - A. S. Dzhumadil'daev TI - Central extensions and invariant forms of cartan type Lie algebras of positive characteristic JO - Funkcionalʹnyj analiz i ego priloženiâ PY - 1984 SP - 77 EP - 78 VL - 18 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/FAA_1984_18_4_a7/ LA - ru ID - FAA_1984_18_4_a7 ER -