@article{CMUC_1969_10_4_a6,
     author = {\v{S}t\v{e}p\'an, Josef},
     title = {Some notes on the convolution semigroup of probabilities on a metric group},
     journal = {Commentationes Mathematicae Universitatis Carolinae},
     pages = {613--624},
     year = {1969},
     volume = {10},
     number = {4},
     mrnumber = {0259971},
     zbl = {0193.44702},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CMUC_1969_10_4_a6/}
}