@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/