@article{M2AN_2020__54_4_1139_0,
     author = {Leykekhman, Dmitriy and Vexler, Boris and Walter, Daniel},
     title = {Numerical analysis of sparse initial data identification for parabolic problems},
     journal = {ESAIM: Mathematical Modelling and Numerical Analysis },
     pages = {1139--1180},
     publisher = {EDP-Sciences},
     volume = {54},
     number = {4},
     year = {2020},
     doi = {10.1051/m2an/2019083},
     mrnumber = {4099209},
     zbl = {1446.65114},
     language = {en},
     url = {http://www.numdam.org/articles/10.1051/m2an/2019083/}
}