John, F. (1997). Nonlinear wave equations, formation of singularities: [Pitcher lectures in the mathematical sciences, Lehigh University, April 1989] ([reprint.].). American Math. Soc.
Chicago-Zitierstil (17. Ausg.)John, Fritz. Nonlinear Wave Equations, Formation of Singularities: [Pitcher Lectures in the Mathematical Sciences, Lehigh University, April 1989]. [reprint.]. Providence, RI: American Math. Soc, 1997.
MLA-Zitierstil (9. Ausg.)John, Fritz. Nonlinear Wave Equations, Formation of Singularities: [Pitcher Lectures in the Mathematical Sciences, Lehigh University, April 1989]. [reprint.]. American Math. Soc, 1997.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.