共 15 条
- [1] BELLMAN R, 1959, MEMOIRS AM MATH SOC, V35
- [5] COOKE KL, 1967, P US JAP SEM DIFF FU, P27
- [6] COOKE KL, 1967, REND CIRC MAT PALERM, V16, P39
- [7] HALE JK, 1963, CONTRIB DIFFER EQUAT, V0002, P00291
- [8] HALE JK, 1966, REND CIRC MAT PALERM, V15, P331
- [9] KATO J, 1967, TOHOKU MATH J, V19, P126
- [10] KATO J, 1967, P US JAPAN SEMINAR D, P153