01231nam a2200301 a 4500991004008409707536030217s gw 000 0 eng d3540668985b11896966-39ule_inst523.0153LC QC38953.1.52Perlick, Volker62532Ray optics, Fermat's principle, and applications to general relativity /Volker PerlickBerlin ;New York :Springer,c2000x, 220 p. :ill. ;25 cm.Lecture notes in physics. Monographs,0940-7677 ;m61Includes bibliographical references (p. [211]-216) and index.Light-Transmission-Mathematical modelsMaxwell equationsGeneral relativity (Physics)Lecture notes in physics.New series m,Monographs ;m61.b1189696621-09-0617-02-03991004008409707536LE006 53.1.5 PER12006000088091le006-E48.76-l- 00000.i1215864117-02-03Ray Optics, Fermat's Principle, and Applications to General Relativity374579UNISALENTOle00617-02-03ma -enggw 01