Citation: A. Calzolari et G. Nappo, Counting observations: A note on state estimation sensitivity with an L-1-bound, APPL MATH O, 44(2), 2001, pp. 177-201
Citation: A. Calzolari et G. Nappo, Robust approximation in a filtering problem with real state space and counting observations, APPL MATH O, 42(1), 2000, pp. 51-71