@article{ARM_2005__41_4_a8,
     author = {Nguyen, Anh Tuan},
     title = {On an effective criterion of solvability of boundary value problems for ordinary differential equation of $n$-th order},
     journal = {Archivum mathematicum},
     pages = {451--460},
     publisher = {mathdoc},
     volume = {41},
     number = {4},
     year = {2005},
     mrnumber = {2195497},
     zbl = {1117.34019},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ARM_2005__41_4_a8/}
}