@article{SJVM_2009_12_1_a6, author = {Zuliang Lu and Yanping Chen}, title = {$L^\infty$-error estimates of triangular mixed finite element methods for optimal control problems governed by semilinear elliptic equations}, journal = {Sibirskij \v{z}urnal vy\v{c}islitelʹnoj matematiki}, pages = {91--105}, publisher = {mathdoc}, volume = {12}, number = {1}, year = {2009}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/SJVM_2009_12_1_a6/} }