%0 Journal Article %A I. B. Frenkel' %A I. Lepovski %A A. Merman %T Introduction from the book “Vertex operator algebras and the Monster” %J Funkcionalʹnyj analiz i ego priloženiâ %D 1991 %P 36-52 %V 25 %N 4 %U http://geodesic.mathdoc.fr/item/FAA_1991_25_4_a3/ %G ru %F FAA_1991_25_4_a3