@article{ZNSL_1996_235_a16, author = {Kanehisa Takasaki and Takashi Takebe}, title = {Quasi-classical limit of {KP} hierarchy, $W$-symmetries and free fermions}, journal = {Zapiski Nauchnykh Seminarov POMI}, pages = {295--303}, publisher = {mathdoc}, volume = {235}, year = {1996}, language = {en}, url = {http://geodesic.mathdoc.fr/item/ZNSL_1996_235_a16/} }