@article{BASM_2007_2_a4, author = {V. A. Shcherbacov}, title = {On definitions of groupoids closely connected with quasigroups}, journal = {Buletinul Academiei de \c{S}tiin\c{t}e a Republicii Moldova. Matematica}, pages = {43--54}, publisher = {mathdoc}, number = {2}, year = {2007}, language = {en}, url = {http://geodesic.mathdoc.fr/item/BASM_2007_2_a4/} }