@article{paperid:1050451, author = {Rasoul Abazari and Niknam, Asadollah and Mahmoud Hassani}, title = {The Lumer-Phillips Theorem For Two – parameter C0 – semigroups}, journal = {Bulletin of the Iranian Mathematical Society}, year = {2015}, month = {January}, issn = {1735-8515}, keywords = {Lumer-Phillips Theorem;Two–parameterC0–semigroup; Dissipative operator.}, }