Extensions in the Applicability of Riemann's Formula
G. Ludford
Indiana University Mathematics Journal
1954
text
pdf
10.1512/iumj.1954.3.53005
10.1512/iumj.1954.3.53005
en
Indiana Univ. Math. J. 3 (1954) 77 - 88
state-of-the-art mathematics
http://iumj.org/access/