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@article{AUCMP_1985__26_1_a1, author = {Dr\'apal, A. and Kepka, T.}, title = {Exchangeable partial groupoids {II}}, journal = {Acta Universitatis Carolinae. Mathematica et Physica}, pages = {3--9}, publisher = {mathdoc}, volume = {26}, number = {1}, year = {1985}, mrnumber = {0830261}, zbl = {0608.20051}, language = {en}, url = {http://geodesic.mathdoc.fr/item/AUCMP_1985__26_1_a1/} }
Drápal, A.; Kepka, T. Exchangeable partial groupoids II. Acta Universitatis Carolinae. Mathematica et Physica, Tome 26 (1985) no. 1, pp. 3-9. http://geodesic.mathdoc.fr/item/AUCMP_1985__26_1_a1/