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@article{MZ_1987__195_183703, author = {Richard C. Vrem}, title = {Connectivity and {Supernormality} {Results} for {Hypergroups.}}, journal = {Mathematische Zeitschrift}, pages = {419--428}, publisher = {mathdoc}, volume = {195}, year = {1987}, zbl = {0627.22001}, url = {http://geodesic.mathdoc.fr/item/MZ_1987__195_183703/} }
Richard C. Vrem. Connectivity and Supernormality Results for Hypergroups.. Mathematische Zeitschrift, Tome 195 (1987), pp. 419-428. http://geodesic.mathdoc.fr/item/MZ_1987__195_183703/