%0 Journal Article %A Orsáková, Martina %T $M$-estimation in nonlinear regression for longitudinal data %J Kybernetika %D 2007 %P 61-74 %V 43 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/KYB_2007__43_1_a4/ %G en %F KYB_2007__43_1_a4