William F. Langford
发表
N. Sri Namachchivaya,
Ali Demir,
William F. Langford,
2002
.
Martin Golubitsky,
William F. Langford,
M. Golubitsky,
1981
.
Victor G. LeBlanc,
William F. Langford,
W. Langford,
1996
.
Martin Golubitsky,
William F. Langford,
M. Golubitsky,
1988
.
William F. Langford,
W. Langford,
G. Iooss,
1980
.
William F. Langford,
Chengzhi Li,
Isabel S. Labouriau,
1989
.
Martin Krupa,
William F. Langford,
W. Langford,
1990
.
Martin Golubitsky,
William F. Langford,
M. Golubitsky,
1988
.