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@article{PIM_1978_N_S_23_37_a26, author = {Janez U\v{s}an and Zoran Stojakovi\'c}, title = {On {A} {System} {Of} {Functional} {Equations} {On} {Quasigroups}}, journal = {Publications de l'Institut Math\'ematique}, pages = {223 }, publisher = {mathdoc}, volume = {_N_S_23}, number = {37}, year = {1978}, url = {http://geodesic.mathdoc.fr/item/PIM_1978_N_S_23_37_a26/} }
Janez Ušan; Zoran Stojaković. On A System Of Functional Equations On Quasigroups. Publications de l'Institut Mathématique, _N_S_23 (1978) no. 37, p. 223 . http://geodesic.mathdoc.fr/item/PIM_1978_N_S_23_37_a26/