@article{Galmak_2006, title={On the Schur theorem for n-ary groups}, volume={58}, url={https://umj.imath.kiev.ua/index.php/umj/article/view/3491}, abstractNote={We prove <em class="EmphasisTypeItalic ">n</em&gt;-ary analogs of the well-known Schur theorem on the finiteness of a commutator subgroup of a group whose center is of finite index.}, number={6}, journal={Ukrains’kyi Matematychnyi Zhurnal}, author={Galmak, A. M.}, year={2006}, month={Jun.}, pages={730–741} }