G. Birkhoff
发表
M. Hall,
G. Birkhoff,
1971
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G. Birkhoff,
P. Hall,
1935
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G. Birkhoff,
V. Gorokhovik,
O. I. Zorko,
1994
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G. Birkhoff,
P. Hall,
P. Hall,
1933,
Mathematical Proceedings of the Cambridge Philosophical Society.
G. Birkhoff,
2022
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G. Birkhoff,
L. J.,
Kelley,
2022
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G. Birkhoff,
P. Hall,
1935,
Mathematical Proceedings of the Cambridge Philosophical Society.
R. Bellman,
G. Birkhoff,
E. . Abu-Shumays,
1969
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C. Tresser,
M. Martens,
G. Birkhoff,
2019
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G. Birkhoff,
Mathema Tics,
2005
.