@article{1102993953, author = {Dorroh, J. R.}, title = {Contraction semi-groups in a function space.}, journal = {Pacific J. Math.}, volume = {19}, number = {3}, year = {1966}, pages = { 35-38}, language = {en}, url = {http://dml.mathdoc.fr/item/1102993953} }
Dorroh, J. R. Contraction semi-groups in a function space.. Pacific J. Math., Tome 19 (1966) no. 3, pp. 35-38. http://gdmltest.u-ga.fr/item/1102993953/