@article{10_1007_s10492_009_0022_8,
     author = {Li, Fengquan and Sun, Weiwei},
     title = {Hyperbolic boundary value problem with equivalued surface on a domain with thin layer},
     journal = {Applications of Mathematics},
     pages = {351--375},
     publisher = {mathdoc},
     volume = {54},
     number = {4},
     year = {2009},
     doi = {10.1007/s10492-009-0022-8},
     mrnumber = {2520835},
     zbl = {1212.35013},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.1007/s10492-009-0022-8/}
}