@article{AA_2004_16_3_a2,
     author = {A. Yu. Kokotov and B. A. Plamenevskii},
     title = {Asymptotics of the solutions of the {Neumann} problem for hyperbolic systems in domains with conic points},
     journal = {Algebra i analiz},
     pages = {56--98},
     year = {2004},
     volume = {16},
     number = {3},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/AA_2004_16_3_a2/}
}