Alexander G.Ramm
发表
A. Kozhevnikov,
Alexander G.Ramm,
2004,
math-ph/0405002.
V. Gol'dshtein,
Alexander G.Ramm,
2000,
math-ph/0008012.
A. Kozhevnikov,
Alexander G.Ramm,
2004,
math-ph/0405002.