On co-groups in the category of graded algebras
Matematika, Tome 10 (1966) no. 4, pp. 32-44
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@article{MAT_1966_10_4_a1,
author = {I. Berstein},
title = {On co-groups in the category of graded algebras},
journal = {Matematika},
pages = {32--44},
publisher = {mathdoc},
volume = {10},
number = {4},
year = {1966},
language = {ru},
url = {http://geodesic.mathdoc.fr/item/MAT_1966_10_4_a1/}
}
I. Berstein. On co-groups in the category of graded algebras. Matematika, Tome 10 (1966) no. 4, pp. 32-44. http://geodesic.mathdoc.fr/item/MAT_1966_10_4_a1/