1. Beran, R.: Estimated sampling distributions: the bootstrap and competitors. Ann. Stat. 10, 212–225 (1982)
2. Boos, D.D., Serfling, R.J.: A note on differentials and the CLT and LIL for statistical functions with application to M-estimates. Ann. Stat. 8, 618–624 (1980)
3. Clarke, B.R.: Uniqueness and Fréchet differentiability of functional solutions to maximum like-lihood type equations. Ann. Stat. 1196–1205 (1983)
4. Clarke, F.H.: Optimization and nonsmooth analysis. New York: Wiley 1983
5. Lecture Notes in Statistics;L.T. Fernholz,1983