Celebratio Mathematica

I. Daubech­ies and J. R. Klaud­er: “True meas­ures for real time path in­teg­rals,” pp. 425–​432 in Path in­teg­rals from meV to MeV (Biele­feld, Ger­many, 5–9 Au­gust 1985). Edi­ted by M. C. Gutzwiller, A. In­o­mata, J. R. Klaud­er, and L. Streit. Biele­feld En­coun­ters in Phys­ics and Math­em­at­ics 7. World Sci­entif­ic (Singa­pore), 1986. MR 859247 incollection