@article{NeitzelPieperVexlerWalter:2019,
	Title                    = {A Sparse Control Approach To Optimal Sensor Placement In PDE-Constrained Parameter Estimation Problems},
	Author                   = {Neitzel, I. and Pieper, K. and Vexler, B. and Walter, D.},
	Institution              = {IGDK 1754},
	Year                     = {2019},
    journal ={Numer. Math.},
    volume ={143},
    pages ={943--984},
    doi ={10.1007/s00211-019-01073-3},
	note                   = {also available as preprint IGDK-2018-07},
    annote                   = {journal}
}