@article{SJIM_2011_14_2_a1,
     author = {G. V. Alekseev and V. G. Romanov},
     title = {One class of nonscattering acoustic shells for a~model of anisotropic acoustics},
     journal = {Sibirskij \v{z}urnal industrialʹnoj matematiki},
     pages = {15--20},
     publisher = {mathdoc},
     volume = {14},
     number = {2},
     year = {2011},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/SJIM_2011_14_2_a1/}
}