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@article{PIM_1979_N_S_26_40_a31, author = {Slavi\v{s}a B. Pre\v{s}i\'c}, title = {On {Quasi-Algebras} {And} {The} {Word} {Problem}}, journal = {Publications de l'Institut Math\'ematique}, pages = {255 }, publisher = {mathdoc}, volume = {_N_S_26}, number = {40}, year = {1979}, url = {http://geodesic.mathdoc.fr/item/PIM_1979_N_S_26_40_a31/} }
Slaviša B. Prešić. On Quasi-Algebras And The Word Problem. Publications de l'Institut Mathématique, _N_S_26 (1979) no. 40, p. 255 . http://geodesic.mathdoc.fr/item/PIM_1979_N_S_26_40_a31/