@article{1102971075, author = {Irwin, C. L.}, title = {Inverting operators for singular boundary value problems.}, journal = {Pacific J. Math.}, volume = {39}, number = {3}, year = {1971}, pages = { 379-386}, language = {en}, url = {http://dml.mathdoc.fr/item/1102971075} }
Irwin, C. L. Inverting operators for singular boundary value problems.. Pacific J. Math., Tome 39 (1971) no. 3, pp. 379-386. http://gdmltest.u-ga.fr/item/1102971075/