@inbook{401700,
title = {28 An abstract algebraic model for the transformation theory of Jacobian oscillatory differential equations},
booktitle = {Linear Differential Transformations of the Second Order},
series = {GDML\_Books},
publisher = {The English Universities Press, Ltd.},
address = {London},
year = {1971},
pages = {[227]-236},
url = {http://dml.mathdoc.fr/item/401700}
}
(éd.). 28 An abstract algebraic model for the transformation theory of Jacobian oscillatory differential equations, dans Linear Differential Transformations of the Second Order, GDML_Books, (1971), pp. [227]-236. http://gdmltest.u-ga.fr/item/401700/