@inbook{401696, title = {25 Physical application of general transformation theory}, booktitle = {Linear Differential Transformations of the Second Order}, series = {GDML\_Books}, publisher = {The English Universities Press, Ltd.}, address = {London}, year = {1971}, pages = {[213]-215}, url = {http://dml.mathdoc.fr/item/401696} }
(éd.). 25 Physical application of general transformation theory, dans Linear Differential Transformations of the Second Order, GDML_Books, (1971), pp. [213]-215. http://gdmltest.u-ga.fr/item/401696/