5952 A. Bitsadze: Equations of mathematical physics. Mir 1980. 23151 Alessandra Borrelli: Equazioni della fisica matematica. Internet 2011, 240p. Richard Courant/David Hilbert: Methoden der mathematischen Physik. 2 volumes. Springer 1968. T. Dauxois/M. Peyrard/C. Willis: Localized breather-like solution in a discrete Klein-Gordon model and application to DNA. Physica D 57 (1992), 267-282. F. Gesztesy/W. Karwowski/Z. Zhao: New types of soliton solutions. Bull. AMS 27 (1992), 266-272. 3855 Wolfgang Gro''bner/Peter Lesky: Mathematische Methoden der Physik. 2 Ba''nde. Bibl. Institut 1964. 23795 Gebhard Grübl: Mathematische Methoden der Physik II. Vorl. Univ. Innsbruck 2013, 230p. 1230 Gu''nter Hellwig: Differentialoperatoren der mathematischen Physik. Springer 1964. 23199 Mimmo Iannelli: Qualche passo tra le EDP. Internet 2012, 41p. 23901 Roger Knobel: An introduction to the mathematical theory of waves. AMS 2000, 200p. Eur 20. 23886 Joseph Krasilshchik/Alexander Verbovetsky: Homological methods in equations of mathematical physics. Internet 1998, 160p. H. Kreiss/J. Lorenz: Initial-boundary value problems and the Navier-Stokes equations. Academic Press 1989, 400p. $55. 1290 Olga Ladyzhenskaya: The boundary value problems of mathematical physics. Springer 1985. R. Leis: Initial boundary value problems in mathematical physics. Teubner 1986, 270p. DM 62. Seems to be a useful advanced text. 22870 Valter Moretti: Introduzione alla teoria delle equazioni alla derivate parziali del secondo ordine. Internet 2011, 230p. 23763 Richard Palais: The symmetries of solitons. Bull. AMS 34/4 (1997), 339-403. 6752 Christoph Po''ppe: Existenzbeweis fu''r eine schwache Lo''sung - eine starke Leistung. Spektrum 1995/2, 21-25. Pierre-Louis Lions und die Boltzmanngleichung. 23544 Alan Rendall: Partial differential equations in general relativity. Oxford UP 2008, 280p. Eur 28. 1286 Ernst Schmutzer: Grundlagen der theoretischen Physik. 2 volumes. Bibl. Inst. 1989. 1289 F. Schwank: Randwertprobleme. Teubner 1951. 23597 Joel Smoller: Shock waves and reaction-diffusion equations. Springer 1994, 630p. Eur 104. 20880 Terence Tao: Why are solitons stable? Bull. AMS 46/1 (2009), 1-33. 16806 Andrei Tikhonov/A. Samarskii: Equations of mathematical physics. Dover 1990, 760p. $13. 564 V. Vladimirov: Equations of mathematical physics. Mir 1984.