@inbook{401699, title = {IV. Recent Developments of Transformation Theory}, booktitle = {Linear Differential Transformations of the Second Order}, series = {GDML\_Books}, publisher = {The English Universities Press, Ltd.}, address = {London}, year = {1971}, pages = {[225]-[225]}, url = {http://dml.mathdoc.fr/item/401699} }
(éd.). IV. Recent Developments of Transformation Theory, dans Linear Differential Transformations of the Second Order, GDML_Books, (1971), p. [225]. http://gdmltest.u-ga.fr/item/401699/