Geodesic

Asymptotic solutions of the wave equation with degenerate velocity and with right-hand side localized in space and time
p. 393-405
Long-time asymptotics for the Toda shock problem: non-overlapping spectra
p. 406-451
On spectral properties of the L operator in the Lax pair of the sine-Gordon equation
p. 452-509
Asymptotic properties of integrals of quotients when the numerator oscillates and the denominator degenerates
The maximal ``kinematical'' invariance group for an arbitrary potential revised
p. 519-531
The discrete self-adjoint Dirac systems of general type: explicit solutions of direct and inverse problems, asymptotics of Verblunsky-type coefficients and the stability of solving of the inverse problem
p. 532-548
Author index to volume 14 for year 2018
p. 549-552