@article{105037,
author = {V\v era Trnkov\'a},
title = {Sum of categories with amalgamated subcategory},
journal = {Commentationes Mathematicae Universitatis Carolinae},
volume = {006},
year = {1965},
pages = {449-474},
zbl = {0138.01701},
mrnumber = {0190208},
language = {en},
url = {http://dml.mathdoc.fr/item/105037}
}
Trnková, Věra. Sum of categories with amalgamated subcategory. Commentationes Mathematicae Universitatis Carolinae, Tome 006 (1965) pp. 449-474. http://gdmltest.u-ga.fr/item/105037/
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