TY  - BOOK
AU  - Kumpera,Antonio
AU  - Spencer,Donald Clayton
ED  - Universite de Montreal. Department de Mathemat.
TI  - Systems of linear partial differential equations and deformation of pseudogroup structures
T2  - Seminaire de mathematiques superieures
SN  - 0840502494
PY  - 1974///
CY  - Montreal
PB  - Les Presses de l'Universite de Montreal
KW  - Pseudogroup structures, Deformation of
KW  - Differential equations, Partial
N1  - At head of title: Departement de mathematiques, Universite de Montreal; Bibliography: p. 99-100
ER  -