@article{1138846414,
author = {Fujimagari, Tetsuo and Motoo, Minoru},
title = {Cascade semigroups and their characterization},
journal = {Kodai Math. Sem. Rep.},
volume = {23},
number = {1},
year = {1971},
pages = { 402-472},
language = {en},
url = {http://dml.mathdoc.fr/item/1138846414}
}
Fujimagari, Tetsuo; Motoo, Minoru. Cascade semigroups and their characterization. Kodai Math. Sem. Rep., Tome 23 (1971) no. 1, pp. 402-472. http://gdmltest.u-ga.fr/item/1138846414/