@article{bwmeta1.element.desklight-d21e387e-e2bc-43d8-9aba-09fb646783ee,
author = {Marek Ptak},
title = {Unitary dilations of multi-parameter semigroups of operators},
journal = {Annales Polonici Mathematici},
volume = {46},
year = {1985},
pages = {237-243},
zbl = {0606.47040},
language = {en},
url = {http://dml.mathdoc.fr/item/bwmeta1.element.desklight-d21e387e-e2bc-43d8-9aba-09fb646783ee}
}
Marek Ptak. Unitary dilations of multi-parameter semigroups of operators. Annales Polonici Mathematici, Tome 46 (1985) pp. 237-243. http://gdmltest.u-ga.fr/item/bwmeta1.element.desklight-d21e387e-e2bc-43d8-9aba-09fb646783ee/