共 6 条
[1]
HARARY F, 1959, J MATH PHYS, V38, P104
[2]
FEEDBACK THEORY - SOME PROPERTIES OF SIGNAL FLOW GRAPHS
[J].
PROCEEDINGS OF THE INSTITUTE OF RADIO ENGINEERS,
1953, 41 (09)
:1144-1156
[3]
Roth JP, 1959, Q APPL MATH, V17, P1, DOI [10.1090/qam/104337, DOI 10.1090/QAM/104337]
[4]
SIMON H, 1957, MATHEMATICAL ESSAYS
[5]
STEWARD DV, 1959, 14 PREPR NAT M ASS C
[6]
TRIBUS M, 1958, 58GL236 GEN EL COMP