Stakgold, Ivar Boundary value problems of mathematical physics vol. I Ivar Stakgold - New York Macmillan 1967 - viii, 340p. - Macmillan series in advanced mathematics and theoretical physics . Subjects--Topical Terms: Boundary Value ProblemsMathematical PhysicsNASA Thesaurus Universal Decimal Class. No.: 517.927 / STA-1