@article{DAN_1986_291_2_a17,
     author = {B. A. Malomed},
     title = {On the theory of spiral and concentric waves in active media},
     journal = {Doklady Akademii Nauk},
     pages = {327--332},
     publisher = {mathdoc},
     volume = {291},
     number = {2},
     year = {1986},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1986_291_2_a17/}
}