共 16 条
- [1] Ambarzumian VA, 1943, CR ACAD SCI URSS, V38, P229
- [2] Bailey P.B., 1964, J MATH ANAL APPL, V8, P144
- [3] BAILEY PB, 1964, J MATH ANAL APPL, V8, P170
- [4] BELLMAN R, 1960, J MATH MECH, V9, P933
- [7] BELLMAN R, 1959, J MATH MECH, V8, P683
- [9] BELLMAN R, 1964, INVARIANT IMBEDDING
- [10] Bellman RE, 1963, INVARIANT IMBEDDING