Karassiov, V. P. Polarization tomography of quantum radiation: theoretical aspects and operator approach. (English) Zbl 1178.81098 Theor. Math. Phys. 145, No. 3, 1666-1677 (2005); translation from Teor. Mat. Fiz. 145, No. 3, 344-357 (2005). MSC: 81Q99 47N50 PDF BibTeX XML Cite \textit{V. P. Karassiov}, Theor. Math. Phys. 145, No. 3, 1666--1677 (2005; Zbl 1178.81098); translation from Teor. Mat. Fiz. 145, No. 3, 344--357 (2005) Full Text: DOI OpenURL
Marschall, Erich On the analytical generator of a group of operators. (English) Zbl 0608.47048 Indiana Univ. Math. J. 35, 289-309 (1986). MSC: 47D03 47A10 47B40 47A60 PDF BibTeX XML Cite \textit{E. Marschall}, Indiana Univ. Math. J. 35, 289--309 (1986; Zbl 0608.47048) Full Text: DOI OpenURL