@article{TMF_1981_48_1_a1,
     author = {B. S. Getmanov},
     title = {Integrable two-dimensional {Lorentz-invariant} nonlinear model of a~complex scalar field (complex {sine-Gordon~II)}},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {13--23},
     publisher = {mathdoc},
     volume = {48},
     number = {1},
     year = {1981},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_1981_48_1_a1/}
}