@article{10_1007_s10492_008_0002_4,
     author = {Croux, Christophe and Gelper, Sarah and Fried, Roland},
     title = {Computational aspects of robust {Holt-Winters} smoothing based on $M$-estimation},
     journal = {Applications of Mathematics},
     pages = {163--176},
     publisher = {mathdoc},
     volume = {53},
     number = {3},
     year = {2008},
     doi = {10.1007/s10492-008-0002-4},
     mrnumber = {2411122},
     zbl = {1199.91156},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.1007/s10492-008-0002-4/}
}