@article{GDZPPN002040700,
title = {Removability of the wave singularities in the plane.},
journal = {Aequationes mathematicae},
volume = {47},
year = {1994},
pages = {123-142},
zbl = {0807.39009},
url = {http://dml.mathdoc.fr/item/GDZPPN002040700}
}
Chlebik, Miroslav; Král, Josef. Removability of the wave singularities in the plane.. Aequationes mathematicae, Tome 47 (1994) pp. 123-142. http://gdmltest.u-ga.fr/item/GDZPPN002040700/