Hall, W. J. On Wald’s equations in continuous time. (English) Zbl 0186.52904 J. Appl. Probab. 7, 59-68 (1970). PDFBibTeX XMLCite \textit{W. J. Hall}, J. Appl. Probab. 7, 59--68 (1970; Zbl 0186.52904) Full Text: DOI
Hall, W. J. Embedding submartingales in Wiener processes with drift, with applications to sequential analysis. (English) Zbl 0186.50601 J. Appl. Probab. 6, 612-632 (1969). PDFBibTeX XMLCite \textit{W. J. Hall}, J. Appl. Probab. 6, 612--632 (1969; Zbl 0186.50601) Full Text: DOI