Plane fields of force whose trajectories are invariant under a projective group ...
Published: 1909
Place of publication: Lancaster, Pa.]
Language: eng
Number of pages: 246
Subjects: Dynamics
Notes: Biography: 1 L.

"From Transactions of the American mathematical society, v. 10, no 2, p.240-246, April, 1909."

Thesis (PH.D.)--Columbia university.