@article{AUCMP_1983__24_2_a8,
     author = {Dr\'apal, A. and Kepka, T.},
     title = {Exchangeable partial groupoids {I}},
     journal = {Acta Universitatis Carolinae. Mathematica et Physica},
     pages = {57--72},
     publisher = {mathdoc},
     volume = {24},
     number = {2},
     year = {1983},
     mrnumber = {0733686},
     zbl = {0524.20048},
     language = {en},
     url = {https://geodesic-test.mathdoc.fr/item/AUCMP_1983__24_2_a8/}
}