This article is cited in 3 papers

Partial Differential Equations

The Lie–Bäcklund group of the equations of nonlinear geometric optics

V. F. Kovalev^a, V. V. Pustovalov^b, S. I. Senashov<sup>c

a</sup> Institute for Mathematical Modelling, Russian Academy of Sciences, Moscow
^b P. N. Lebedev Physical Institute, Russian Academy of Sciences, Moscow
^c Krasnoyarsk State University, Krasnoyarsk

UDC: 517.958

Received: 16.04.1993

 English version: Differential Equations, 1993, 29:10, 1521–1531

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