II. Dispersion theory
Linear Differential Transformations of the Second Order, GDML_Books, (1971), p. [107] / Harvested from
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@inbook{401680,
     title = {II. Dispersion theory},
     booktitle = {Linear Differential Transformations of the Second Order},
     series = {GDML\_Books},
     publisher = {The English Universities Press, Ltd.},
     address = {London},
     year = {1971},
     pages = {[107]-[107]},
     url = {http://dml.mathdoc.fr/item/401680}
}

 (éd.). II. Dispersion theory, dans Linear Differential Transformations of the Second Order, GDML_Books,  (1971), p. [107]. http://gdmltest.u-ga.fr/item/401680/