Kashiwara, Masaki, 1947-. Systems of microdifferential equations / Masaki Kashiwara notes and translation by Teresa Monteiro Fernandes introduction by Jean-Luc Brylinski. - Boston, M. A. : Birkhauser, 1983. - xv, 159 p. ; 24 cm. - Progress in mathematics ; v. 34 . Bibliography: p. 150-159 Subjects--Topical Terms: Differential equations, Linear.