US4963044A
(en )
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(en )
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(enExample )
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1987
Some categorical results in the theory of crossed modules in commutative algebras
US2681614A
(en )
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Yamamoto
1965
ON THE DIOPHANTINE EQUATION 4/n= 1/x+ 1/y+ 1/z
Park et al.
1971
Connectivity and genus in three dimensions
US4150427A
(en )
1979-04-17
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US2573356A
(en )
1951-10-30
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1987
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