In its simplest form, the Pfaff problem (formulated by Pfaff in 1819) consists of determining the maximal integrable manifold of a Pfaffian system, i.e. of a system of vector fields in $R^n$. This book gives a solution of this problem and discusses various generalizations, giving an essentially complete treatment of the theory as it was known in 1949.
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Seller: Zubal-Books, Since 1961, Cleveland, OH, U.S.A.
Condition: Very Good. *Price HAS BEEN REDUCED by 10% until Tuesday, May 26 (holiday SALE item)* 542 pp., Hardcover, previous owner's name to the front free endpaper, else very good. - If you are reading this, this item is actually (physically) in our stock and ready for shipment once ordered. We are not bookjackers. Buyer is responsible for any additional duties, taxes, or fees required by recipient's country. Photos available upon request. Seller Inventory # ZB1343958