Celebratio Mathematica

R. As­key: “Con­tin­ued frac­tions and or­tho­gon­al poly­no­mi­als,” pp. 1–​13 in Con­tin­ued frac­tions: From ana­lyt­ic num­ber the­ory to con­struct­ive ap­prox­im­a­tion (Columbia, MO, 20–23 May 1998). Edi­ted by B. C. Berndt and F. Gesztesy. Con­tem­por­ary Math­em­at­ics 236. Amer­ic­an Math­em­at­ic­al So­ci­ety (Provid­ence, RI), 1999. MR 1665360 Zbl 0944.​33013 incollection