@article{10_4064_ap_14_1_49_57, author = {K. Bochenek}, title = {Asymptotically expansible solutions of the {Helmholtz} equation}, journal = {Annales Polonici Mathematici}, pages = {49--57}, publisher = {mathdoc}, volume = {14}, number = {1}, year = {1963}, doi = {10.4064/ap-14-1-49-57}, language = {en}, url = {http://geodesic.mathdoc.fr/articles/10.4064/ap-14-1-49-57/} }