Applications of Analytic Continuation to the Solution of Boundary Value Problems P. Garabedian Indiana University Mathematics Journal 1954 text pdf 10.1512/iumj.1954.3.53019 10.1512/iumj.1954.3.53019 en Indiana Univ. Math. J. 3 (1954) 383 - 393 state-of-the-art mathematics http://iumj.org/access/