Babich, V. M.; Ulin, V. V. The complex space-time ray method and ”quasi-photons”. (Russian) Zbl 0477.35025 Zap. Nauchn. Semin. Leningr. Otd. Mat. Inst. Steklova 117, 5-12 (1981). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 3 ReviewsCited in 22 Documents MSC: 35C20 Asymptotic expansions of solutions to PDEs 35L05 Wave equation 70H20 Hamilton-Jacobi equations in mechanics Keywords:formal asymptotic solutions; packets of waves; Hamilton-Jacobi equations × Cite Format Result Cite Review PDF Full Text: EuDML