TY - JOUR AU - B. L. Feigin TI - Commutative Vertex Algebras and Their Degenerations JO - Funkcionalʹnyj analiz i ego priloženiâ PY - 2014 SP - 24 EP - 33 VL - 48 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/FAA_2014_48_3_a2/ LA - ru ID - FAA_2014_48_3_a2 ER -