@article{10_4153_CJM_1975_062_x,
     author = {Gustafson, G. B. and Sedziwy, S.},
     title = {Solution {Space} {Decompositions} for nth {Order} {Linear} {Differential} {Equations}},
     journal = {Canadian journal of mathematics},
     pages = {508--512},
     year = {1975},
     volume = {27},
     number = {3},
     doi = {10.4153/CJM-1975-062-x},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-1975-062-x/}
}