Voir la notice de l'article provenant de la source Math-Net.Ru
@article{FAA_1982_16_1_a4, author = {B. A. Dubrovin and S. M. Natanzon}, title = {Real two-zone solutions of the {sine-Gordon} equation}, journal = {Funkcionalʹnyj analiz i ego prilo\v{z}eni\^a}, pages = {27--43}, publisher = {mathdoc}, volume = {16}, number = {1}, year = {1982}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/FAA_1982_16_1_a4/} }
B. A. Dubrovin; S. M. Natanzon. Real two-zone solutions of the sine-Gordon equation. Funkcionalʹnyj analiz i ego priloženiâ, Tome 16 (1982) no. 1, pp. 27-43. http://geodesic.mathdoc.fr/item/FAA_1982_16_1_a4/