共 7 条
[1]
CROUT PD, 1941, AM I ELECT ENG, V60
[4]
FRASER RA, ELEMENTARY MATRICES, P141
[5]
HORST P, 1935, ANN MATH STAT, V5, P83
[6]
MOULTON FR, DIFFERENTIAL EQUATIO, P6
[7]
RIERSOL O, 1940, ANN MATH STAT, V11, P193