@article{ErJuRu22,
      title={Approximation of splines in {W}asserstein spaces}, 
      author={Jorge Justiniano and Matthias Erbar and Martin Rumpf},
      JOURNAL = {ESAIM Control Optim. Calc. Var.},
      year={2024},
      note={online first},
      doi={10.1051/cocv/2024008}
 }