@article{EXMATH_1986_1986_1_a23,
     author = {Zaballa, Ion},
     title = {Matrices con las filas preescritas y factores invariantes},
     journal = {Extracta mathematicae},
     pages = {82-84},
     publisher = {mathdoc},
     volume = {1},
     number = {2},
     year = {1986},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/EXMATH_1986_1986_1_a23/}
}