@article{1049832686, author = {Schechter, Martin}, title = {Rotationally invariant periodic solutions of semilinear wave equations}, journal = {Abstr. Appl. Anal.}, volume = {3}, number = {1-2}, year = {1998}, pages = { 171-180}, language = {en}, url = {http://dml.mathdoc.fr/item/1049832686} }
Schechter, Martin. Rotationally invariant periodic solutions of semilinear wave equations. Abstr. Appl. Anal., Tome 3 (1998) no. 1-2, pp. 171-180. http://gdmltest.u-ga.fr/item/1049832686/