19 Linear mapping of the integral spaces of the differential equations (q), (Q) on each other
Linear Differential Transformations of the Second Order, GDML_Books, (1971), p. [166]-172 / Harvested from
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@inbook{401689,
     title = {19 Linear mapping of the integral spaces of the differential equations (q), (Q) on each other},
     booktitle = {Linear Differential Transformations of the Second Order},
     series = {GDML\_Books},
     publisher = {The English Universities Press, Ltd.},
     address = {London},
     year = {1971},
     pages = {[166]-172},
     url = {http://dml.mathdoc.fr/item/401689}
}

 (éd.). 19 Linear mapping of the integral spaces of the differential equations (q), (Q) on each other, dans Linear Differential Transformations of the Second Order, GDML_Books,  (1971), pp. [166]-172. http://gdmltest.u-ga.fr/item/401689/