Involution: The Formal Theory of Differential Equations and its Applications in Computer Algebra/fr-ca/involution-the-formal-theory-of-differential-equations-and-its-applications-in-computer-algebra/65BEFC42-E5DB-4F4D-A43E-AD093BB5925A.html65BEFC42-E5DB-4F4D-A43E-AD093BB5925A
Involution: The Formal Theory of Differential Equations and its Applications in Computer Algebra