Sophus Lie

Sophus Lie's 1880 transformation group paper

Robert Hermann, R. Hermann, Michael Ackerman, 1975 .

Sophus Lie's 1884 differential invariant paper

Robert Hermann, R. Hermann, Sophus Lie, 1975 .

Theory of Transformation Groups I

J. Merker, Sophus Lie, Friedrich Engel, 2015 .

Local Transformation Equations and Essential Parameters

Sophus Lie, 2015 .