@article{JRAM_1957__197_150332,
     author = {C. Truesdell and B. Bernstein},
     title = {The solution of linear differential systems by quadratures.},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {104--111},
     publisher = {mathdoc},
     volume = {197},
     year = {1957},
     zbl = {0077.08502},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1957__197_150332/}
}