@article{TMF_1992_92_3_a2,
     author = {A. S. Fokas and A. R. Its},
     title = {An initial-boundary value problem for the {sine-Gordon} equation in laboratory coordinates},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {387--403},
     publisher = {mathdoc},
     volume = {92},
     number = {3},
     year = {1992},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/TMF_1992_92_3_a2/}
}