[1]
KirnasovskiiO.Y. 1998. Balanced identity that describes <em class="a-plus-plus">n</em>-ary group isotopes in the class of all <em class="a-plus-plus">n</em&gt;-ary quasigroups. Ukrains’kyi Matematychnyi Zhurnal. 50, 6 (Jun. 1998), 862–864.