@article{1102983153,
author = {Krall, Allan M.},
title = {Boundary value problems with interior point boundary conditions.},
journal = {Pacific J. Math.},
volume = {31},
number = {3},
year = {1969},
pages = { 161-166},
language = {en},
url = {http://dml.mathdoc.fr/item/1102983153}
}
Krall, Allan M. Boundary value problems with interior point boundary conditions.. Pacific J. Math., Tome 31 (1969) no. 3, pp. 161-166. http://gdmltest.u-ga.fr/item/1102983153/