@article{DE_2006_42_2_a14,
     author = {S. S. Kharibegashvili},
     title = {On the nonexistence of global solutions of the characteristic {Cauchy} problem for a nonlinear wave equation in a conical domain},
     journal = {Differencialʹnye uravneni\^a},
     pages = {261--271},
     publisher = {mathdoc},
     volume = {42},
     number = {2},
     year = {2006},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_2006_42_2_a14/}
}