Celebratio Mathematica

R. C. Kirby: “On the an­nu­lus con­jec­ture,” Proc. Amer. Math. Soc. 17 (1966), pp. 178–​185. MR 0192481 Zbl 0151.​32902

R. C. Kirby: “Smooth­ing loc­ally flat im­bed­dings of dif­fer­en­ti­able man­i­folds,” To­po­logy 6 (1967), pp. 207–​220. MR 0211410 Zbl 0152.​22401

R. C. Kirby and L. C. Sieben­mann: Found­a­tion­al es­says on to­po­lo­gic­al man­i­folds, smooth­ings, and tri­an­gu­la­tions. An­nals of Math­em­at­ics Stud­ies 88. Prin­ceton Uni­versity Press, 1977. With notes by John Mil­nor and Mi­chael Atiyah. MR 0645390 Zbl 0361.​57004 book