Boundary value problems [by] A.G. Mackie. Mackie, A. G. (Andrew George) Boundary value problems. Mathematical physics. QA371 .M17 1965 515.35 19 MAB Bibliography: p. 248-249. New York, Hafner Pub. Co. [1965] [1965] 1965 Text xiii, 252 p. eng University mathematical monographs University mathematical monographs.