00680nam a2200241Ia 4500 113482 BIBL 20160527183608.0 720818s1972 nyua b 00110 eng 74182674 0125637500 EVLG QA374 .P68 515/.35 515.35 P888b Powers, David L. 153108 Local Boundary value problems / David L. Powers. New York Academic Press [1972] x, 238 p. illus. Bibliography: p. 216-217. Boundary value problems. 64439 Local Differential equations, Partial 87010 Local 94822 94822 0 0 0 515_350000000000000_P888B 0 evl 30638 10 10 1 2016-05-27 173396 0 515.35 P888b 80000001207318 2016-05-27 00:00:00 r:113482 z:NCC:D 6