@article{SF_1986__33_134808, author = {M. Satyanarayana and J. Hanumanthachari and D. Umamaheswarareddy}, title = {On the additive structure of a class of ordered semirings.}, journal = {Semigroup forum}, pages = {251--256}, publisher = {mathdoc}, volume = {33}, year = {1986}, zbl = {0582.06019}, url = {http://geodesic.mathdoc.fr/item/SF_1986__33_134808/} }