01147nam a2200337 i 450099100131205970753620020507191139.0930413s1989 ne ||| | eng 0444880569b10830066-39ule_instLE01310342ExLDip.to Matematicaeng515.35AMS 35P25AMS 47AAMS 47A40QA379.P48Petkov, Vesselin52964Scattering theory for hyperbolic operators /Vesselin PetkovAmsterdam :North-Holland,1989xiv, 373 p. ;24 cm.Studies in mathematics and its applications,0168-2024 ;21Boundary value problemsScattering operatorWave equations.b1083006623-02-1728-06-02991001312059707536LE013 47A PET11 (1989)12013000075433le013-E0.00-l- 03030.i1093842428-06-02Scattering Theory for Hyperbolic Operators337782UNISALENTOle01301-01-93ma -engne 01