The initial value problem for some degenerate hyperbolic equations of second order in Gevrey classes

MR1774369 Ishida, Haruhisa and Odai, Hideto Haruhisa ISHIDA and Hideto ODAI The initial value problem for some degenerate hyperbolic equations of second order in Gevrey classes Funkcialaj Ekvacioj. Serio Internacia 43 2000 71--85 http://fe.math.kobe-u.ac.jp/FE/FullPapers/vol43/fe43-1-5.pdf http://fe.math.kobe-u.ac.jp/FE/no-infty-pdf.pdf http://www.ams.org/mathscinet-getitem?mr=MR1774369 43-71 2000 The Initial Value Problem for Some Degenerate Hyperbolic Equations of Second Order in Gevrey Classes Haruhisa ISHIDA and Hideto ODAI Haruhisa ISHIDA and Hideto ODAI

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