@article{PS_2019__23__524_0,
     author = {Kroll, Martin},
     title = {Rate optimal estimation of quadratic functionals in inverse problems with partially unknown operator and application to testing problems},
     journal = {ESAIM: Probability and Statistics},
     pages = {524--551},
     publisher = {EDP-Sciences},
     volume = {23},
     year = {2019},
     doi = {10.1051/ps/2018027},
     mrnumber = {3990654},
     zbl = {1422.62129},
     language = {en},
     url = {http://archive.numdam.org/articles/10.1051/ps/2018027/}
}