Singular Non-Homogeneous Abstract Cauchy and Dirichlet Type Problems Related by a Generalized Stieltjes Transform L. Bragg Indiana University Mathematics Journal 1975 text pdf 10.1512/iumj.1975.24.24016 10.1512/iumj.1975.24.24016 en Indiana Univ. Math. J. 24 (1975) 183 - 195 state-of-the-art mathematics http://iumj.org/access/