@article{00645189,
title = {On two-point boundary value problems for systems of higher-order ordinary differential equations with singularities.},
journal = {Georgian Mathematical Journal},
volume = {1},
year = {1994},
pages = {31-45},
doi = {10.1007/BF02315301},
zbl = {0804.34023},
language = {en},
url = {http://dml.mathdoc.fr/item/00645189}
}
Kiguradze, I.; Tskhovrebadze, G. On two-point boundary value problems for systems of higher-order ordinary differential equations with singularities.. Georgian Mathematical Journal, Tome 1 (1994) pp. 31-45. doi : 10.1007/BF02315301. http://gdmltest.u-ga.fr/item/00645189/