Voir la notice de l'article provenant de la source Math-Net.Ru
[1] P. D. Lax, “Asymptotic solutions of oscillary initial value problems”, Duke Math., 24:4 (1957), 627–646 | DOI | MR | Zbl
[2] R. Kurant, Uravneniya s chastnymi proizvodnymi, «Mir», M., 1964 | MR
[3] L. Hörmander, Comm. Pure Appl. Math., 18:3 (1965), 501–517 | DOI | MR | Zbl
[4] V. P. Maslov, Teoriya vozmuschenii i asimptoticheskie metody, Izd-vo MGU, M., 1965
[5] G. I. Eskin, “Zadacha Koshi dlya giperbolicheskikh uravnenii v svertkakh”, Matem. sb., 74 (116):2 (1967), 262–297 | MR
[6] V. P. Maslov, “Teoriya bikharakteristik dlya raznostnykh skhem”, UMN, 23:4 (142) (1968), 243
[7] L. S. Frank, “Raznostnye operatory v svertkakh”, DAN, 181:2 (1968) | MR | Zbl
[8] L. S. Frank, “O giperbolicheskikh raznostnykh operatorakh”, DAN, 189:3 (1969), 486–488 | Zbl