01105nam0 2200277 i 450 SUN004976820180430115456.23978-27-05-66078-90.0020060822d1988 |0frec50 bafreENGFR|||| |||||*Calcul d'operateurs et fronts d'ondesJ. VaillantParisHermann1988177 p.24 cm.001SUN00497702001 Travaux en cours29210 ParisHermann.35-XXPartial differential equations [MSC 2020]MFSUNC01976300BxxConference proceedings and collections of articles [MSC 2020]MFSUNC021742ParisSUNL000046Vaillant, JeanSUNV03919167750HermannSUNV001226650ITSOL20201012RICASUN0049768UFFICIO DI BIBLIOTECA DEL DIPARTIMENTO DI MATEMATICA E FISICA08PREST 35-XX 4652 08 2823 I 20060822 Calcul d'operateurs et fronts d'ondes1426301UNICAMPANIA