J. F. Pommaret
1945
Control Systems (Mathematics and Its Applications (Kluwer Academic Publishers), V. 530.)
Differential Galois theory
Lie pseudogroups and mechanics
Mathematical Tools (International Archives of the History of Ideas)
Partial differential control theory
Partial differential equations and group theory
Systems of partial differential equations and Lie pseudogroups
Partial Differential Control Theory - Volume I: Mathematical Tools, Volume II
Théorie locale des pseudogroupes de Lie