@article{10_21136_CMJ_1963_100575,
     author = {Schwarz, \v{S}tefan},
     title = {Probabilities on non-commutative semigroups},
     journal = {Czechoslovak Mathematical Journal},
     pages = {372--426},
     year = {1963},
     volume = {13},
     number = {3},
     doi = {10.21136/CMJ.1963.100575},
     mrnumber = {0160191},
     zbl = {0137.35302},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1963.100575/}
}