On iterative methods for nonlinear least squares problemsVaarmann, OtuInternational Conference on Operations Research, Berlin, August 30-September 2, 1994 : program and abstracts1994 / p. 69 On the discrete approximation of probability functionalsLepp, RihoInternational Conference on Operations Research, Berlin, August 30-September 2, 1994 : program and abstracts1994 / p. 71