@article{KYB_2007__43_1_a4,
     author = {Ors\'akov\'a, Martina},
     title = {$M$-estimation in nonlinear regression for longitudinal data},
     journal = {Kybernetika},
     pages = {61--74},
     publisher = {mathdoc},
     volume = {43},
     number = {1},
     year = {2007},
     mrnumber = {2343331},
     zbl = {1252.62069},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/KYB_2007__43_1_a4/}
}