共 34 条
- [1] Alekseev A. B., 1977, Vestnik Leningradskogo Universiteta, Seriya Matematika Mekhanika i Astronomiya, P9
- [2] Alekseev A. B., 1976, SOV MATH DOKL, V230, p[505, 1319]
- [3] ALEKSEEV AB, 1977, THESIS LENINGRAD
- [4] Birman M.Sh., 1987, VESTNIK LENINGRAD U, V1, p[23, 15]
- [6] BIRMAN MS, 1987, J SOVIET MATH, V37, P793
- [7] BIRMAN MS, 1986, VESTNIK LENINGRADSKO, V19, P1
- [8] BOGOVSKII ME, T SEM SL SOBOLEVA, P5
- [9] Bykhovsky T B, 1960, P LOMI AN USSR, V59, P5
- [10] Duvaut G., 1972, INEQUATIONS MECANIQU