@inbook{401698, title = {27 Structure of the set of complete solutions of the differential equation (Qq)}, booktitle = {Linear Differential Transformations of the Second Order}, series = {GDML\_Books}, publisher = {The English Universities Press, Ltd.}, address = {London}, year = {1971}, pages = {[219]-223}, url = {http://dml.mathdoc.fr/item/401698} }
(éd.). 27 Structure of the set of complete solutions of the differential equation (Qq), dans Linear Differential Transformations of the Second Order, GDML_Books, (1971), pp. [219]-223. http://gdmltest.u-ga.fr/item/401698/