@article{10_1017_fmp_2021_11,
     author = {Ali Feizmohammadi and Matti Lassas and Lauri Oksanen},
     title = {Inverse problems for nonlinear hyperbolic equations with disjoint sources and receivers},
     journal = {Forum of Mathematics, Pi},
     publisher = {mathdoc},
     volume = {9},
     year = {2021},
     doi = {10.1017/fmp.2021.11},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.1017/fmp.2021.11/}
}