@article{SJVM_2011_14_3_a2,
     author = {Z. Lu},
     title = {A~posteriori error estimates of finite element methods for nonlinear quadratic boundary optimal control problem},
     journal = {Sibirskij \v{z}urnal vy\v{c}islitelʹnoj matematiki},
     pages = {261--276},
     publisher = {mathdoc},
     volume = {14},
     number = {3},
     year = {2011},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/SJVM_2011_14_3_a2/}
}