"Nonlinear wave equations Congresses." . . "Równania falowe nieliniowe konferencje." . . "Onde (Fisica)" . . "Nichtlineare Wellengleichung." . . "Équations d'onde non linéaires." . . "Equation d'onde nonlinéaire Congrès." . . "Conference Board of the Mathematical Sciences. Regional Conference" . . "Equacions diferencials parcials" . . "American Mathematical Society." . . "American Mathematical Society" . . . "Nonlinear wave equations : Expository lectures from the CBMS regional conference held at George Mason University, January 16-20, 1989" . . . . . . . "Nonlinear wave equations : [expository lectures from the CBMS Regional Conference held at George Mason University, January 16 - 20, 1989]" . . . . . . . . . . . . . "Nonlinear wave equations : expository lectures from the CBMS Regional Conference held at George Mason University, Januar 16-20, 1989" . . . . . . . . . "Conference proceedings" . . "Nonlinear wave equations : [expository lectures from the CBMS regional conference held at George Mason University, January 16-20, 1989]" . . . . . . "Nonlinear wave equations : Regional conference : Selected expanded lectures"@en . "Conference papers and proceedings" . "Conference papers and proceedings"@en . . . "Nonlinear wave equations"@en . "Nonlinear wave equations" . . . . . . . "Nonlinear Wave Equations"@it . . . . "Nonlinear wave equations : [expository lectures from the CBMS regional conference held at George Mason University, January 16 - 20, 1989]" . . . . . . . "Équations d'onde non linéaires Congrès." . . "Ecuaciones de ondas invariantes." . . "Teorie non lineari." . . "CBMS Regional Conference. George Mason University (1989.01.16-20 Fairfax, Va.)" . . . . . "Équation d'onde non linéaire Congrès." . . "Ones" . .