@article{TUW-107313, author = {Markowich, Peter A. and Ringhofer, Ch. and Selberherr, Siegfried and Lentini, M.}, title = {{A} {S}ingular {P}erturbation {A}pproach for the {A}nalysis of the {F}undamental {S}emiconductor {E}quations}, journal = {{I}{E}{E}{E} {T}ransactions on {E}lectron {D}evices}, year = {1983}, volume = {30}, number = {9}, pages = {1165--1180}, url = {http://www.iue.tuwien.ac.at/pdf/JB1983_Markowich_2.pdf}, doi = {10.1109/T-ED.1983.21273} }