@article{SMZ_2006__47_3_53194,
     author = {Arbuzov, \`E. V. and Bukhgeim, A.L.},
     title = {The {Carleman} formula for the {Helmholtz} equation on the plane.},
     journal = {Sibirskij Matematicheskij Zhurnal},
     pages = {518},
     publisher = {mathdoc},
     volume = {47},
     number = {3},
     year = {2006},
     zbl = {1115.35034},
     language = {en},
     url = {https://geodesic-test.mathdoc.fr/item/SMZ_2006__47_3_53194/}
}