@article{105730, author = {Jind\v rich Be\v cv\'a\v r}, title = {$K$-essential subgroups of abelian groups. II.}, journal = {Commentationes Mathematicae Universitatis Carolinae}, volume = {017}, year = {1976}, pages = {693-707}, zbl = {0353.20042}, mrnumber = {0439952}, language = {en}, url = {http://dml.mathdoc.fr/item/105730} }
Bečvář, Jindřich. $K$-essential subgroups of abelian groups. II.. Commentationes Mathematicae Universitatis Carolinae, Tome 017 (1976) pp. 693-707. http://gdmltest.u-ga.fr/item/105730/
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