01139nam a2200313 i 450099100078173970753620020507173522.0980428s1993 de ||| | eng 3540571051b10756528-39ule_instLE01302242ExLDip.to Matematicaeng515.353AMS 35A27Liess, Otto60114Conical refraction and higher microlocalization /Otto LiessBerlin :Springer-Verlag,c1993x, 389 p. ;24 cm.Lecture notes in mathematics,0075-8434 ;1555Includes bibliographical references (p. [380]-385) and indexMicrolocal analysisPartial differential equationsSingularities.b1075652823-02-1728-06-02991000781739707536LE013 35A LIE11 (1993)12013000098531le013-E0.00-l- 00000.i1085089228-06-02Conical refraction and higher microlocalization78697UNISALENTOle01301-01-98ma -engde 01