John, F. (1990). Nonlinear wave equations, formation of singularities. American Mathematical Society.
Citación estilo ChicagoJohn, Fritz. Nonlinear Wave Equations, Formation of Singularities. Providence, R.I.: American Mathematical Society, 1990.
Cita MLAJohn, Fritz. Nonlinear Wave Equations, Formation of Singularities. Providence, R.I.: American Mathematical Society, 1990.
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