TY - BOOK AU - Pommaret,J.F. TI - Differential Galois theory PY - 1983/// CY - New York PB - Gordon and Breach Science Publishers KW - Differential equations, Partial KW - Galois theory KW - Geometry, Differential KW - Geometry, Algebraic N1 - Includes index; Bibliography : p. 733-746 ER -