@article{1077490332,
author = {Pierce, Jesse},
title = {Solutions of systems of differential equations in terms of infinite
series of definite integrals},
journal = {Duke Math. J.},
volume = {3},
number = {1},
year = {1937},
pages = { 616-622},
language = {en},
url = {http://dml.mathdoc.fr/item/1077490332}
}
Pierce, Jesse. Solutions of systems of differential equations in terms of infinite
series of definite integrals. Duke Math. J., Tome 3 (1937) no. 1, pp. 616-622. http://gdmltest.u-ga.fr/item/1077490332/