@Article{npg-21-187-2014,
AUTHOR = {Michel, Y.},
TITLE = {Diagnostics on the cost-function in variational assimilations for meteorological models},
JOURNAL = {Nonlinear Processes in Geophysics},
VOLUME = {21},
YEAR = {2014},
NUMBER = {1},
PAGES = {187--199},
URL = {https://npg.copernicus.org/articles/21/187/2014/},
DOI = {10.5194/npg-21-187-2014}
}