01319nam a2200325 i 450099100103507970753620020507105427.0940316s1978 de ||| | eng 3540086552b10164406-39ule_instLE00641052ExLDip.to Fisicaita53(082.2)53.3.11530.1'24QC174.26.W28"Ettore Majorana" International School of Mathematical Physics on invariant wave equations462556Invariant wave equations :proceedings of the "Ettore Majorana" International School of Mathematical Physics held in Erice, June 27 to July 9, 1977 /edited by Giorgio Velo and Arthur S. WightmanBerlin :Springer-Verlag,1978vi, 416 p. :ill. ;24 cm.Lecture notes in physics / edited by J. Ehlers...[et al.] ;73Wave equations, invariantVelo, GiorgioWightman, Arthur S..b1016440617-02-1727-06-02991001035079707536LE006 53.3.11 VEL12006000049153le006-E0.00-l- 00000.i1020012527-06-02Invariant wave equations188922UNISALENTOle00601-01-94ma -engde 01