@article{105711,
author = {Jind\v rich Be\v cv\'a\v r},
title = {$K$-essential subgroups of abelian groups. I},
journal = {Commentationes Mathematicae Universitatis Carolinae},
volume = {017},
year = {1976},
pages = {481-492},
zbl = {0344.20042},
mrnumber = {0439951},
language = {en},
url = {http://dml.mathdoc.fr/item/105711}
}
Bečvář, Jindřich. $K$-essential subgroups of abelian groups. I. Commentationes Mathematicae Universitatis Carolinae, Tome 017 (1976) pp. 481-492. http://gdmltest.u-ga.fr/item/105711/
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