@article{FrieseSM11, author = {Sylvia Friese and Helmut Seidl and Sebastian Maneth}, title = {Earliest {N}ormal {F}orm and {M}inimization for {B}ottom-up {T}ree {T}ransducers}, journal = {Int. J. Found. Comput. Sci.}, year = 2011, pages = {1607--1623}, volume = {22}, number = {7}, doi = {10.1142/S012905411100891X}, }