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@article{PIM_1986_N_S_39_53_a13, author = {Sava Krsti\'c}, title = {On {Quasigroup} {Varieties} {Closed} {Under} {Isotopy}}, journal = {Publications de l'Institut Math\'ematique}, pages = {89 }, publisher = {mathdoc}, volume = {_N_S_39}, number = {53}, year = {1986}, language = {en}, url = {http://geodesic.mathdoc.fr/item/PIM_1986_N_S_39_53_a13/} }
Sava Krstić. On Quasigroup Varieties Closed Under Isotopy. Publications de l'Institut Mathématique, _N_S_39 (1986) no. 53, p. 89 . http://geodesic.mathdoc.fr/item/PIM_1986_N_S_39_53_a13/