共 8 条
[1]
BUERK W, 1935, ELEKTROTECH NACHR, V12, P278
[2]
ELLIS RM, 1964, THESIS U SOUTHAMPTON
[7]
THURNER M, 1963, THESIS U SOUTHAMPTON
[8]
WHITHAM GB, 1952, COMM PURE APPL MATH, V5, P290