共 14 条
[11]
OLMSTEAD JM, 1959, INTERMEDIATE ANALYSI
[12]
PONTRYAGIN LS, 1963, MATHEMATICAL THEORY
[13]
Salukvadze M., 1962, AUTOMAT REM CONTR, V23, P1495
[14]
Weiss R., 1959, IRE T AUTOMAT CONTR, V4, P56