PHYSICS

Transition lines and singular points in nonlinear geometric optics equations

A. B. Shvartsburg

Pushkov Institute of Terrestrial Magnetism, Ionosphere and Radio Wave Propagation, Russian Academy of Sciences, Troitsk, Moskovskaya obl.

UDC: 539.122

Presented: A. D. Sakharov
Received: 16.02.1971