共 6 条
[1]
DIRECT SUFFICIENT CONDITION FOR FREE FINAL TIME OPTIMAL-CONTROL PROBLEMS
[J].
SIAM JOURNAL ON CONTROL,
1976, 14 (04)
:613-622
[2]
PETERSON DW, 1981, INT J CONTROL, V28, P589
[3]
ROBSON AJ, 1981, J EC THEORY, V24, P438
[6]
SEIERSTAD A, 1984, SUFFICIENT CONDITION