@article{1195516288,
author = {Date, Etsuro and Kashiwara, Masaki and Miwa, Tetsuji},
title = {Vertex operators and $\tau$ functions transformation groups for soliton equations, II},
journal = {Proc. Japan Acad. Ser. A Math. Sci.},
volume = {57},
number = {1},
year = {1981},
pages = { 387-392},
language = {en},
url = {http://dml.mathdoc.fr/item/1195516288}
}
Date, Etsuro; Kashiwara, Masaki; Miwa, Tetsuji. Vertex operators and $\tau$ functions transformation groups for soliton equations, II. Proc. Japan Acad. Ser. A Math. Sci., Tome 57 (1981) no. 1, pp. 387-392. http://gdmltest.u-ga.fr/item/1195516288/