Continuous groups of transformations

Metrical geometry, contact transformations and nuclear physics

Jean Mariani

Bäcklund Transformations, the Inverse Scattering Method, Solitons, and Their Applications

Robert M. Miura

Über eine reell irreducible gruppe von berührungs-transformationen ..

Walther Asmus Christian Brügmann

A reconstruction of certain parts of the Lie theory

Elbert Frank Allen

The theory of perturbations and Lie's theory of contact transformations ..

Edgar Odell Lovett

Groups in physics

Marcos Moshinsky