@ARTICLE{ABM2011,
 author = {Auroux, D. and Blum, J. and Nodet, M.},
 title = {{D}iffusive {B}ack and {F}orth {N}udging algorithm for data assimilation},
 journal = {C. R. Acad. Sci. Paris, Ser. I},
 volume = {349},
 number = {15-16},
 pages = {849--854},
 year = {2011},
}