John, F. (1990). Nonlinear wave equations, formation of singularities: Pitcher lectures in the mathematical sciences, held at Lehigh University, April 1989. American Mathematical Society.
Chicago-Zitierstil (17. Ausg.)John, Fritz. Nonlinear Wave Equations, Formation of Singularities: Pitcher Lectures in the Mathematical Sciences, Held at Lehigh University, April 1989. Providence, Rhode Island: American Mathematical Society, 1990.
MLA-Zitierstil (9. Ausg.)John, Fritz. Nonlinear Wave Equations, Formation of Singularities: Pitcher Lectures in the Mathematical Sciences, Held at Lehigh University, April 1989. American Mathematical Society, 1990.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.