@article{SM_1995_186_11_a1,
     author = {I. A. Bogaevsky},
     title = {Singularities of the~propagation of shot waves on the~plane},
     journal = {Sbornik. Mathematics},
     pages = {1581--1597},
     year = {1995},
     volume = {186},
     number = {11},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_1995_186_11_a1/}
}