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@article{AL_1981_20_1_a6, author = {N. I. Prodan}, title = {On a variety of $\mathrm{CHQ}$-algebras}, journal = {Algebra i logika}, pages = {92--100}, publisher = {mathdoc}, volume = {20}, number = {1}, year = {1981}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/AL_1981_20_1_a6/} }
N. I. Prodan. On a variety of $\mathrm{CHQ}$-algebras. Algebra i logika, Tome 20 (1981) no. 1, pp. 92-100. http://geodesic.mathdoc.fr/item/AL_1981_20_1_a6/