@article{MET_1984__31_175929,
     author = {H. Niemi},
     title = {The {Invertibility} of {Sampled} and {Aggregated} {ARM} {A} {Models.}},
     journal = {Metrika},
     pages = {43--50},
     publisher = {mathdoc},
     volume = {31},
     year = {1984},
     zbl = {0551.62064},
     url = {http://geodesic.mathdoc.fr/item/MET_1984__31_175929/}
}