B. A. Troesch, Louis W. Ehrlich, James D. Riley. A boundary value problem with eigenvalue on the boundary. In Eric A. Weiss, editor, Preprints of papers presented at the 14th national meeting of the Association for Computing Machinery, ACM 1959, Cambridge, Massachusetts, USA, September 1-3, 1959. ACM, 1959. [doi]
Abstract is missing.