Nonlinear wave equations, formation of singularities/
Fritz John.
- Providence, R.I.: American Mathematical Society, c1990.
- vii, 64 p.: ill.; 26 cm.
- University lecture series; 2. .
- University lecture series; 2. .
At head of title: Pitcher lectures in the mathematical sciences, Lehigh University. "Revised notes of the seventh annual Pitcher lectures delivered at Lehigh University in April 1989".