@article{MZ_1964__86_170352,
     author = {Dragomir Z. Djokovic},
     title = {On the {Hadamard} product of matrices.},
     journal = {Mathematische Zeitschrift},
     pages = {395--395},
     year = {1964},
     volume = {86},
     zbl = {0125.28303},
     url = {http://geodesic.mathdoc.fr/item/MZ_1964__86_170352/}
}