Celebratio Mathematica

A. P. Calder­ón: “On an in­verse bound­ary value prob­lem,” pp. 133–​138 in Sem­in­ar on in­verse prob­lems and ap­plic­a­tions (Rio de Janeiro, 21–24 March 2006), published as Com­put. Ap­pl. Math. 25 : 2–​3. Issue edi­ted by G. Perla Men­zala and G. Uhl­mann. 2006. Re­prin­ted from Sem­in­ar on nu­mer­ic­al ana­lys­is and its ap­plic­a­tions to con­tinuum phys­ics (1980). MR 2321646 Zbl 1182.​35230 incollection