@article{2400, author = {Miller, Donald W.}, title = {Hamiltonian semigroups}, journal = {Portugaliae mathematica}, volume = {21}, year = {1962}, pages = {171-187}, zbl = {0111.03802}, mrnumber = {0146278}, language = {en}, url = {http://dml.mathdoc.fr/item/2400} }
Miller, Donald W. Hamiltonian semigroups. Portugaliae mathematica, Tome 21 (1962) pp. 171-187. http://gdmltest.u-ga.fr/item/2400/