Geodesic
On the invariant factors of sums of integral matrices
Portugaliae mathematica, Tome 46 (1989) no. 1, pp. 87-95

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Keywords: sums of integral matrices, principal ideal domain, invariant factors, divisibility 
Marques de Sá, Eduardo. On the invariant factors of sums of integral matrices. Portugaliae mathematica, Tome 46 (1989) no. 1, pp. 87-95. http://geodesic.mathdoc.fr/item/PORMA_1989__46_1_115652/
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     author = {Marques de S\'a, Eduardo},
     title = {On the invariant factors of sums of integral matrices},
     journal = {Portugaliae mathematica},
     pages = {87--95},
     year = {1989},
     volume = {46},
     number = {1},
     mrnumber = {0996404},
     zbl = {0668.15010},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/PORMA_1989__46_1_115652/}
}
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