@inbook{401684,
title = {14 Extension of solutions of a differential equation (q) and their derivatives},
booktitle = {Linear Differential Transformations of the Second Order},
series = {GDML\_Books},
publisher = {The English Universities Press, Ltd.},
address = {London},
year = {1971},
pages = {[135]-137},
url = {http://dml.mathdoc.fr/item/401684}
}
(éd.). 14 Extension of solutions of a differential equation (q) and their derivatives, dans Linear Differential Transformations of the Second Order, GDML_Books, (1971), pp. [135]-137. http://gdmltest.u-ga.fr/item/401684/