Voir la notice de l'article provenant de la source Czech Digital Mathematics Library
@article{10_21136_CPM_1967_108143, author = {Pond\v{e}l{\'\i}\v{c}ek, Bed\v{r}ich}, title = {Pr\r{u}m\v{e}r grafu pologrupy}, journal = {\v{C}asopis pro p\v{e}stov\'an{\'\i} matematiky}, pages = {206--211}, publisher = {mathdoc}, volume = {092}, number = {2}, year = {1967}, doi = {10.21136/CPM.1967.108143}, mrnumber = {0223275}, zbl = {0207.33102}, language = {cs}, url = {http://geodesic.mathdoc.fr/articles/10.21136/CPM.1967.108143/} }
Pondělíček, Bedřich. Průměr grafu pologrupy. Časopis pro pěstování matematiky, Tome 092 (1967) no. 2, pp. 206-211. doi : 10.21136/CPM.1967.108143. http://geodesic.mathdoc.fr/articles/10.21136/CPM.1967.108143/
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