01044nam a2200313 i 450099100125515970753620020507113502.0990507s1998 ||| ||| | eng 9810233337b10195142-39ule_instLE00644723ExLDip.to Fisicaita510.41510.42510.46515'.7222QA320.K84Guo, Ben-Yu463992Spectral methods and their applications /Ben-Yu GuoSingapore :World Scientific,1998viii, 349 p. :ill. ;22 cm.Includes bibliographical references.Spectral theory (Mathematics).b1019514221-09-0627-06-02991001255159707536LE006 510.42 GUO12006000078511le006-E0.00-l- 01010.i1024082227-06-02Spectral methods and their applications191475UNISALENTOle00601-01-99ma -engxx 01