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@article{MV_1970_22_4_a6, author = {A. A. Wedel}, title = {Gomotopiya kvazigrupp}, journal = {Matemati\v{c}ki vesnik}, pages = {493 }, publisher = {mathdoc}, volume = {22}, number = {4}, year = {1970}, url = {http://geodesic.mathdoc.fr/item/MV_1970_22_4_a6/} }
A. A. Wedel. Gomotopiya kvazigrupp. Matematički vesnik, Tome 22 (1970) no. 4, p. 493 . http://geodesic.mathdoc.fr/item/MV_1970_22_4_a6/