R. Beals
发表
Tim Skszek,
R. Beals,
M. Merino,
2017
.
D. H. Sattinger,
R. Beals,
D. Sattinger,
1991,
math/9712253.
Vladimir Protopopescu,
R. Beals,
V. Protopopescu,
1987
.
D. H. Sattinger,
J. Szmigielski,
R. Beals,
1998,
solv-int/9901007.