@article{05150139, title = {Functional equations on Sturm-Liouville hypergroups.}, journal = {Mathematica Pannonica}, volume = {17}, year = {2006}, pages = {169-182}, zbl = {1121.39026}, language = {en}, url = {http://dml.mathdoc.fr/item/05150139} }
Székelyhidi, László. Functional equations on Sturm-Liouville hypergroups.. Mathematica Pannonica, Tome 17 (2006) pp. 169-182. http://gdmltest.u-ga.fr/item/05150139/