@article{SJIM_2013_16_2_a1,
     author = {G. V. Alekseev and A. V. Lobanov},
     title = {Stability estimates for solutions to inverse extremal problems for the {Helmholtz} equation},
     journal = {Sibirskij \v{z}urnal industrialʹnoj matematiki},
     pages = {14--25},
     publisher = {mathdoc},
     volume = {16},
     number = {2},
     year = {2013},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/SJIM_2013_16_2_a1/}
}