@article{SJIM_2007_10_1_a12,
     author = {A. S. Savenkova},
     title = {Multiplicative control in the scattering problem for the {Helmholtz} equation},
     journal = {Sibirskij \v{z}urnal industrialʹnoj matematiki},
     pages = {128--139},
     publisher = {mathdoc},
     volume = {10},
     number = {1},
     year = {2007},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/SJIM_2007_10_1_a12/}
}