@article{TM_2009_266_a2,
     author = {P. G. Grinevich and K. V. Kaipa},
     title = {Multiscale {Limit} for {Finite-Gap} {Sine-Gordon} {Solutions} and {Calculation} of {Topological} {Charge} {Using} {Theta-Functional} {Formulae}},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {54--63},
     publisher = {mathdoc},
     volume = {266},
     year = {2009},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TM_2009_266_a2/}
}