@article{SEDP_1998-1999____A18_0,
     author = {Matsumoto, Waichiro},
     title = {The {Cauchy} problem for systems through the normal form of systems and theory of weighted determinant},
     journal = {S\'eminaire \'Equations aux d\'eriv\'ees partielles (Polytechnique) dit aussi "S\'eminaire Goulaouic-Schwartz"},
     note = {talk:18},
     pages = {1--29},
     publisher = {Centre de math\'ematiques Laurent Schwartz, \'Ecole polytechnique},
     year = {1998-1999},
     zbl = {1059.35500},
     mrnumber = {1721336},
     language = {en},
     url = {http://www.numdam.org/item/SEDP_1998-1999____A18_0/}
}