@article{RM_1982_37_1_a13,
     author = {I. I. Mel'nikov},
     title = {Singularities of the solution of a~mixed problem for second-order hyperbolic equations in domains with a~piecewise smooth boundary},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {168--169},
     publisher = {mathdoc},
     volume = {37},
     number = {1},
     year = {1982},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/RM_1982_37_1_a13/}
}