@article{1102991463, author = {Loud, W. S.}, title = {Self-adjoint multi-point boundary value problems.}, journal = {Pacific J. Math.}, volume = {27}, number = {3}, year = {1968}, pages = { 303-317}, language = {en}, url = {http://dml.mathdoc.fr/item/1102991463} }
Loud, W. S. Self-adjoint multi-point boundary value problems.. Pacific J. Math., Tome 27 (1968) no. 3, pp. 303-317. http://gdmltest.u-ga.fr/item/1102991463/