共 7 条
[1]
FREQUENCY PLANNING FOR BROADCAST SERVICES IN EUROPE
[J].
PROCEEDINGS OF THE IEEE,
1980, 68 (12)
:1515-1522
[2]
Cassels JWS., 1971, INTRO GEOMETRY NUMBE
[3]
FASTERT HW, 1960, RUNDFUNKTECHN MITT, V4, P48
[5]
FREQUENCY ASSIGNMENT - THEORY AND APPLICATIONS
[J].
PROCEEDINGS OF THE IEEE,
1980, 68 (12)
:1497-1514
[6]
Lang S., 1971, ALGEBRA
[7]
MACDONALD VH, 1979, AT&T TECH J, V58, P15